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TÀI LIỆU HƯỚNG DẪN BẢO TRÌ SỬA CHỮA - Bộ Servo Amplifier Fanuc - Ais & Ai Series (FANUC AC Servo Amplifier Motor Maintenance Manual B-65285EN_03) Full.
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This manual describes information necessary to maintain FANUC servo amplifier αi series products, such as a power supply module, servo amplifier module, and spindle amplifier module and FANUCservo motor αis/αi series and FANUC spindle motor αi series products.
Part I explains the start-up procedure, and part II focuses on troubleshooting.
Part III explains the maintenance for servo motor and spindle motor.
The abbreviations listed below are used in this manual.
TABLE OF CONTENTS
SAFETY PRECAUTIONS .......................................................................... s-1
PREFACE.................................................................................................. p-1
I. START-UP PROCEDURE
1 OVERVIEW ............................................................................................3
2 CONFIGURATIONS ...............................................................................4
2.1 CONFIGURATIONS ......................................................................................5
2.2 MAJOR COMPONENTS................................................................................7
2.2.1 Power Supply Modules............................................................................................ 7
2.2.2 Servo Amplifier Modules ........................................................................................ 8
2.2.3 Spindle Amplifier Modules ..................................................................................... 9
3 START-UP PROCEDURE ....................................................................11
3.1 START-UP PROCEDURE (OVERVIEW) ....................................................12
3.2 CONNECTING THE POWER ......................................................................13
3.2.1 Checking the Voltage and Capacity of the Power ................................................. 13
3.2.2 Connecting a Protective Ground............................................................................ 14
3.2.3 Selecting the Ground Fault Interrupter That Matches the Leakage Current ......... 14
3.3 INITIALIZING SERVO PARAMETERS ........................................................15
4 CONFIRMATION OF THE OPERATION ..............................................16
4.1 POWER SUPPLY MODULE........................................................................17
4.1.1 Checking the Status LEDs ..................................................................................... 18
4.1.2 Check Terminal on the Printed-circuit Board ....................................................... 19
4.1.3 The PIL LED (Power ON Indicator) Is Off........................................................... 21
4.1.4 Checking Method when Magnetic Contactor Is not Switched On ........................ 22
4.2 SERVO AMPLIFIER MODULE ....................................................................23
4.2.1 Checking the STATUS Display ............................................................................ 24
4.2.2 VRDY-OFF Alarm Indicated on the CNC Screen ................................................ 25
4.2.3 Method for Observing Motor Current ................................................................... 26
4.3 SPINDLE AMPLIFIER MODULE .................................................................29
4.3.1 STATUS Display................................................................................................... 30
4.3.2 Troubleshooting at Startup .................................................................................... 31
4.3.2.1 The PIL LED (power-on indicator) is off...........................................................31
4.3.2.2 The STATUS display is blinking with "--." .......................................................32
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4.3.2.3 The motor does not turn. ....................................................................................33
4.3.2.4 A specified speed cannot be obtained. ...............................................................33
4.3.2.5 When cutting is not performed, the spindle vibrates, making noise. ..................34
4.3.2.6 An overshoot or hunting occurs. ........................................................................34
4.3.2.7 Cutting power weakens or acceleration/deceleration slows down......................35
4.3.3 Status Error Indication Function ........................................................................... 36
4.3.4 Checking the Feedback Signal Waveform ............................................................ 39
4.3.4.1 Mi, MZi, and BZi sensors ..................................................................................40
4.3.4.2 α position coder S ..............................................................................................41
4.3.5 Spindle Check Board ............................................................................................. 42
4.3.5.1 Spindle check board specifications ....................................................................42
4.3.5.2 Check board connection .....................................................................................42
4.3.5.3 Check terminal output signals ............................................................................44
4.3.6 Observing Data Using the Spindle Check Board .................................................. 46
4.3.6.1 Overview ............................................................................................................46
4.3.6.2 Major characteristics ..........................................................................................46
4.3.6.3 Observation method ...........................................................................................46
4.3.6.4 Specifying data to be monitored.........................................................................47
4.3.6.5 Address descriptions and initial values (SPM)...................................................48
4.3.6.6 Principles in outputting the internal data of the serial spindle............................49
4.3.6.7 Data numbers .....................................................................................................53
4.3.6.8 Example of observing data .................................................................................56
4.3.7 Checking Parameters Using the Spindle Check Board.......................................... 57
4.3.7.1 Overview ............................................................................................................57
4.3.7.2 Checking parameters ..........................................................................................57
4.3.8 Observing Data Using the SERVO GUIDE .......................................................... 58
4.3.8.1 Overview ............................................................................................................58
4.3.8.2 Usable series and editions ..................................................................................58
4.3.8.3 List of spindle data that can be observed using the SERVO GUIDE .................58
4.3.8.4 About the spindle control and spindle status signals ..........................................59
4.3.8.5 Example of observing data .................................................................................60
5 PERIODIC MAINTENANCE OF SERVO AMPLIFIER..........................61
5.1 BATTERY FOR THE ABSOLUTE PULSECODER......................................62
5.2 PERIODIC MAINTENANCE OF SERVO AMPLIFIER .................................69
II. TROUBLESHOOTING
1 OVERVIEW ..........................................................................................75
2 ALARM NUMBERS AND BRIEF DESCRIPTIONS ..............................76
2.1 FOR Series 15i ............................................................................................77
2.1.1 Servo Alarm........................................................................................................... 77
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2.1.2 Spindle Alarm........................................................................................................ 79
2.2 FOR Series 16i, 18i, 20i, 21i, 0i, AND Power Mate i...................................81
2.2.1 Servo Alarm........................................................................................................... 81
2.2.2 Spindle Alarm........................................................................................................ 83
3 TROUBLESHOOTING AND ACTION ..................................................85
3.1 POWER SUPPLY MODULE (PSM, PSMR) ................................................86
3.1.1 Alarm Code 1 (PSM) ............................................................................................. 86
3.1.2 Alarm Code 2 (PSM, PSMR) ................................................................................ 87
3.1.3 Alarm Code 3 (PSM) ............................................................................................. 87
3.1.4 Alarm Code 4 (PSM, PSMR) ................................................................................ 87
3.1.5 Alarm Code 5 (PSM, PSMR) ................................................................................ 88
3.1.6 Alarm Code 6 (PSM, PSMR) ................................................................................ 88
3.1.7 Alarm Code 7 (PSM, PSMR) ................................................................................ 88
3.1.8 Alarm Code 8 (PSMR) .......................................................................................... 89
3.1.9 Alarm Code A (PSM) ............................................................................................ 89
3.1.10 Alarm Code E (PSM, PSMR)................................................................................ 89
3.1.11 Alarm Code H (PSMR) ......................................................................................... 90
3.2 SERVO AMPLIFIER MODULE ....................................................................91
3.2.1 Alarm Code 1......................................................................................................... 93
3.2.2 Alarm Code 2......................................................................................................... 93
3.2.3 Alarm Code 5......................................................................................................... 93
3.2.4 Alarm Code 6......................................................................................................... 94
3.2.5 Alarm Code F ........................................................................................................ 94
3.2.6 Alarm Code P ........................................................................................................ 94
3.2.7 Alarm Code 8......................................................................................................... 95
3.2.8 Alarm Codes 8., 9., and A. .................................................................................... 96
3.2.9 Alarm Codes 8., 9., and A. .................................................................................... 96
3.2.10 Alarm Codes b, c, and d ........................................................................................ 97
3.2.11 Alarm Code "-" Blinking ....................................................................................... 98
3.2.12 Alarm Code U........................................................................................................ 99
3.2.13 Alarm Code L ...................................................................................................... 100
3.3 SERVO SOFTWARE.................................................................................101
3.3.1 Servo Adjustment Screen .................................................................................... 101
3.3.2 Diagnosis Screen ................................................................................................. 103
3.3.3 Overload Alarm (Soft Thermal, OVC)................................................................ 104
3.3.4 Feedback Disconnected Alarm............................................................................ 105
3.3.5 Overheat Alarm ................................................................................................... 106
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3.3.6 Invalid Servo Parameter Setting Alarm............................................................... 106
3.3.7 Alarms Related to Pulsecoder and Separate Serial Detector............................... 107
3.3.8 Other Alarms ....................................................................................................... 110
3.4 SPINDLE AMPLIFIER MODULE ...............................................................112
3.4.1 Alarm Code 01..................................................................................................... 112
3.4.2 Alarm Code 02..................................................................................................... 113
3.4.3 Alarm Code 03..................................................................................................... 114
3.4.4 Alarm Code 06..................................................................................................... 114
3.4.5 Alarm Code 07..................................................................................................... 115
3.4.6 Alarm Code 09..................................................................................................... 116
3.4.7 Alarm Code 12..................................................................................................... 117
3.4.8 Alarm Code 15..................................................................................................... 118
3.4.9 Alarm Code 18..................................................................................................... 118
3.4.10 Alarm Codes 19 and 20 ....................................................................................... 118
3.4.11 Alarm Code 21..................................................................................................... 119
3.4.12 Alarm Code 24..................................................................................................... 119
3.4.13 Alarm Code 27..................................................................................................... 120
3.4.14 Alarm Code 29..................................................................................................... 121
3.4.15 Alarm Code 31..................................................................................................... 122
3.4.16 Alarm Code 32..................................................................................................... 122
3.4.17 Alarm Code 34..................................................................................................... 122
3.4.18 Alarm Code 36..................................................................................................... 123
3.4.19 Alarm Code 37..................................................................................................... 123
3.4.20 Alarm Code 41..................................................................................................... 124
3.4.21 Alarm Code 42..................................................................................................... 124
3.4.22 Alarm Code 46..................................................................................................... 124
3.4.23 Alarm Code 47..................................................................................................... 125
3.4.24 Alarm Code 50..................................................................................................... 125
3.4.25 Alarm Codes 52 and 53 ....................................................................................... 126
3.4.26 Alarm Code 54..................................................................................................... 126
3.4.27 Alarm Code 55..................................................................................................... 126
3.4.28 Alarm Code 56..................................................................................................... 126
3.4.29 Alarm Code 66..................................................................................................... 127
3.4.30 Alarm Code 69..................................................................................................... 127
3.4.31 Alarm Code 70..................................................................................................... 127
3.4.32 Alarm Code 71..................................................................................................... 127
3.4.33 Alarm Code 72..................................................................................................... 127
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3.4.34 Alarm Code 73..................................................................................................... 128
3.4.35 Alarm Code 74..................................................................................................... 128
3.4.36 Alarm Code 75..................................................................................................... 128
3.4.37 Alarm Code 76..................................................................................................... 129
3.4.38 Alarm Code 77..................................................................................................... 129
3.4.39 Alarm Code 78..................................................................................................... 129
3.4.40 Alarm Code 79..................................................................................................... 129
3.4.41 Alarm Code 81..................................................................................................... 130
3.4.42 Alarm Code 82..................................................................................................... 131
3.4.43 Alarm Code 83..................................................................................................... 131
3.4.44 Alarm Code 84..................................................................................................... 132
3.4.45 Alarm Code 85..................................................................................................... 132
3.4.46 Alarm Code 86..................................................................................................... 132
3.4.47 Alarm Code 87..................................................................................................... 132
3.4.48 Alarm Code 88..................................................................................................... 132
3.4.49 Alarm Codes A, A1, and A2................................................................................ 132
3.4.50 Alarm Code b0..................................................................................................... 133
3.4.51 Alarm Codes C0,C1, and C2 ............................................................................... 133
3.4.52 Alarm Code C3 .................................................................................................... 133
3.4.53 Other Alarms ....................................................................................................... 134
3.5 αCi SERIES SPINDLE AMPLIFIER MODULE ..........................................135
3.5.1 Alarm Code 12..................................................................................................... 135
3.5.2 Alarm Code 35..................................................................................................... 136
4 HOW TO REPLACE THE FUSES AND PRINTED CIRCUIT
BOARDS ............................................................................................137
4.1 HOW TO REPLACE THE FUSES AND PRINTED CIRCUIT BOARDS ....138
4.1.1 Ordering Number of Printed Circuit Board......................................................... 139
4.1.2 Fuse Locations..................................................................................................... 140
4.1.2.1 PSM ..............................................................................................................140
4.1.2.2 SVM ..............................................................................................................141
4.1.2.3 SPM ..............................................................................................................142
4.2 HOW TO REPLACE THE FAN MOTOR....................................................143
4.2.1 Internal-Fan Motor Replacement Procedure Common to 60, 90, and 150 mm
Wide Units........................................................................................................... 143
4.2.2 External-Fan Motor Replacement Procedure for 60 and 90 mm Wide Units ..... 144
4.2.3 External-Fan Motor Replacement Procedure for 150 mm Wide Unit................. 145
4.2.4 External-Fan Motor Replacement Procedure for 300 mm Wide Unit................. 146
TABLE OF CONTENTS B-65285EN/03
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III. MOTOR MAINTENANCE
1 SERVO MOTOR MAINTENANCE......................................................149
1.1 RECEIVING AND KEEPING AC SERVO MOTORS .................................150
1.2 DAILY INSPECTION OF AC SERVO MOTORS .......................................151
1.3 PERIODIC INSPECTION OF AC SERVO MOTORS ................................153
1.4 REPLACING THE PULSECODER ............................................................156
1.5 SPECIFICATION NUMBERS OF REPLACEMENT PARTS......................158
2 SPINDLE MOTOR MAINTENANCE...................................................159
2.1 PREVENTIVE MAINTENANCE .................................................................160
2.2 MAINTENANCE PARTS............................................................................163
2.3 ALLOWABLE RADIAL LOAD .
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This manual describes information necessary to maintain FANUC servo amplifier αi series products, such as a power supply module, servo amplifier module, and spindle amplifier module and FANUCservo motor αis/αi series and FANUC spindle motor αi series products.
Part I explains the start-up procedure, and part II focuses on troubleshooting.
Part III explains the maintenance for servo motor and spindle motor.
The abbreviations listed below are used in this manual.
TABLE OF CONTENTS
SAFETY PRECAUTIONS .......................................................................... s-1
PREFACE.................................................................................................. p-1
I. START-UP PROCEDURE
1 OVERVIEW ............................................................................................3
2 CONFIGURATIONS ...............................................................................4
2.1 CONFIGURATIONS ......................................................................................5
2.2 MAJOR COMPONENTS................................................................................7
2.2.1 Power Supply Modules............................................................................................ 7
2.2.2 Servo Amplifier Modules ........................................................................................ 8
2.2.3 Spindle Amplifier Modules ..................................................................................... 9
3 START-UP PROCEDURE ....................................................................11
3.1 START-UP PROCEDURE (OVERVIEW) ....................................................12
3.2 CONNECTING THE POWER ......................................................................13
3.2.1 Checking the Voltage and Capacity of the Power ................................................. 13
3.2.2 Connecting a Protective Ground............................................................................ 14
3.2.3 Selecting the Ground Fault Interrupter That Matches the Leakage Current ......... 14
3.3 INITIALIZING SERVO PARAMETERS ........................................................15
4 CONFIRMATION OF THE OPERATION ..............................................16
4.1 POWER SUPPLY MODULE........................................................................17
4.1.1 Checking the Status LEDs ..................................................................................... 18
4.1.2 Check Terminal on the Printed-circuit Board ....................................................... 19
4.1.3 The PIL LED (Power ON Indicator) Is Off........................................................... 21
4.1.4 Checking Method when Magnetic Contactor Is not Switched On ........................ 22
4.2 SERVO AMPLIFIER MODULE ....................................................................23
4.2.1 Checking the STATUS Display ............................................................................ 24
4.2.2 VRDY-OFF Alarm Indicated on the CNC Screen ................................................ 25
4.2.3 Method for Observing Motor Current ................................................................... 26
4.3 SPINDLE AMPLIFIER MODULE .................................................................29
4.3.1 STATUS Display................................................................................................... 30
4.3.2 Troubleshooting at Startup .................................................................................... 31
4.3.2.1 The PIL LED (power-on indicator) is off...........................................................31
4.3.2.2 The STATUS display is blinking with "--." .......................................................32
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4.3.2.3 The motor does not turn. ....................................................................................33
4.3.2.4 A specified speed cannot be obtained. ...............................................................33
4.3.2.5 When cutting is not performed, the spindle vibrates, making noise. ..................34
4.3.2.6 An overshoot or hunting occurs. ........................................................................34
4.3.2.7 Cutting power weakens or acceleration/deceleration slows down......................35
4.3.3 Status Error Indication Function ........................................................................... 36
4.3.4 Checking the Feedback Signal Waveform ............................................................ 39
4.3.4.1 Mi, MZi, and BZi sensors ..................................................................................40
4.3.4.2 α position coder S ..............................................................................................41
4.3.5 Spindle Check Board ............................................................................................. 42
4.3.5.1 Spindle check board specifications ....................................................................42
4.3.5.2 Check board connection .....................................................................................42
4.3.5.3 Check terminal output signals ............................................................................44
4.3.6 Observing Data Using the Spindle Check Board .................................................. 46
4.3.6.1 Overview ............................................................................................................46
4.3.6.2 Major characteristics ..........................................................................................46
4.3.6.3 Observation method ...........................................................................................46
4.3.6.4 Specifying data to be monitored.........................................................................47
4.3.6.5 Address descriptions and initial values (SPM)...................................................48
4.3.6.6 Principles in outputting the internal data of the serial spindle............................49
4.3.6.7 Data numbers .....................................................................................................53
4.3.6.8 Example of observing data .................................................................................56
4.3.7 Checking Parameters Using the Spindle Check Board.......................................... 57
4.3.7.1 Overview ............................................................................................................57
4.3.7.2 Checking parameters ..........................................................................................57
4.3.8 Observing Data Using the SERVO GUIDE .......................................................... 58
4.3.8.1 Overview ............................................................................................................58
4.3.8.2 Usable series and editions ..................................................................................58
4.3.8.3 List of spindle data that can be observed using the SERVO GUIDE .................58
4.3.8.4 About the spindle control and spindle status signals ..........................................59
4.3.8.5 Example of observing data .................................................................................60
5 PERIODIC MAINTENANCE OF SERVO AMPLIFIER..........................61
5.1 BATTERY FOR THE ABSOLUTE PULSECODER......................................62
5.2 PERIODIC MAINTENANCE OF SERVO AMPLIFIER .................................69
II. TROUBLESHOOTING
1 OVERVIEW ..........................................................................................75
2 ALARM NUMBERS AND BRIEF DESCRIPTIONS ..............................76
2.1 FOR Series 15i ............................................................................................77
2.1.1 Servo Alarm........................................................................................................... 77
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2.1.2 Spindle Alarm........................................................................................................ 79
2.2 FOR Series 16i, 18i, 20i, 21i, 0i, AND Power Mate i...................................81
2.2.1 Servo Alarm........................................................................................................... 81
2.2.2 Spindle Alarm........................................................................................................ 83
3 TROUBLESHOOTING AND ACTION ..................................................85
3.1 POWER SUPPLY MODULE (PSM, PSMR) ................................................86
3.1.1 Alarm Code 1 (PSM) ............................................................................................. 86
3.1.2 Alarm Code 2 (PSM, PSMR) ................................................................................ 87
3.1.3 Alarm Code 3 (PSM) ............................................................................................. 87
3.1.4 Alarm Code 4 (PSM, PSMR) ................................................................................ 87
3.1.5 Alarm Code 5 (PSM, PSMR) ................................................................................ 88
3.1.6 Alarm Code 6 (PSM, PSMR) ................................................................................ 88
3.1.7 Alarm Code 7 (PSM, PSMR) ................................................................................ 88
3.1.8 Alarm Code 8 (PSMR) .......................................................................................... 89
3.1.9 Alarm Code A (PSM) ............................................................................................ 89
3.1.10 Alarm Code E (PSM, PSMR)................................................................................ 89
3.1.11 Alarm Code H (PSMR) ......................................................................................... 90
3.2 SERVO AMPLIFIER MODULE ....................................................................91
3.2.1 Alarm Code 1......................................................................................................... 93
3.2.2 Alarm Code 2......................................................................................................... 93
3.2.3 Alarm Code 5......................................................................................................... 93
3.2.4 Alarm Code 6......................................................................................................... 94
3.2.5 Alarm Code F ........................................................................................................ 94
3.2.6 Alarm Code P ........................................................................................................ 94
3.2.7 Alarm Code 8......................................................................................................... 95
3.2.8 Alarm Codes 8., 9., and A. .................................................................................... 96
3.2.9 Alarm Codes 8., 9., and A. .................................................................................... 96
3.2.10 Alarm Codes b, c, and d ........................................................................................ 97
3.2.11 Alarm Code "-" Blinking ....................................................................................... 98
3.2.12 Alarm Code U........................................................................................................ 99
3.2.13 Alarm Code L ...................................................................................................... 100
3.3 SERVO SOFTWARE.................................................................................101
3.3.1 Servo Adjustment Screen .................................................................................... 101
3.3.2 Diagnosis Screen ................................................................................................. 103
3.3.3 Overload Alarm (Soft Thermal, OVC)................................................................ 104
3.3.4 Feedback Disconnected Alarm............................................................................ 105
3.3.5 Overheat Alarm ................................................................................................... 106
TABLE OF CONTENTS B-65285EN/03
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3.3.6 Invalid Servo Parameter Setting Alarm............................................................... 106
3.3.7 Alarms Related to Pulsecoder and Separate Serial Detector............................... 107
3.3.8 Other Alarms ....................................................................................................... 110
3.4 SPINDLE AMPLIFIER MODULE ...............................................................112
3.4.1 Alarm Code 01..................................................................................................... 112
3.4.2 Alarm Code 02..................................................................................................... 113
3.4.3 Alarm Code 03..................................................................................................... 114
3.4.4 Alarm Code 06..................................................................................................... 114
3.4.5 Alarm Code 07..................................................................................................... 115
3.4.6 Alarm Code 09..................................................................................................... 116
3.4.7 Alarm Code 12..................................................................................................... 117
3.4.8 Alarm Code 15..................................................................................................... 118
3.4.9 Alarm Code 18..................................................................................................... 118
3.4.10 Alarm Codes 19 and 20 ....................................................................................... 118
3.4.11 Alarm Code 21..................................................................................................... 119
3.4.12 Alarm Code 24..................................................................................................... 119
3.4.13 Alarm Code 27..................................................................................................... 120
3.4.14 Alarm Code 29..................................................................................................... 121
3.4.15 Alarm Code 31..................................................................................................... 122
3.4.16 Alarm Code 32..................................................................................................... 122
3.4.17 Alarm Code 34..................................................................................................... 122
3.4.18 Alarm Code 36..................................................................................................... 123
3.4.19 Alarm Code 37..................................................................................................... 123
3.4.20 Alarm Code 41..................................................................................................... 124
3.4.21 Alarm Code 42..................................................................................................... 124
3.4.22 Alarm Code 46..................................................................................................... 124
3.4.23 Alarm Code 47..................................................................................................... 125
3.4.24 Alarm Code 50..................................................................................................... 125
3.4.25 Alarm Codes 52 and 53 ....................................................................................... 126
3.4.26 Alarm Code 54..................................................................................................... 126
3.4.27 Alarm Code 55..................................................................................................... 126
3.4.28 Alarm Code 56..................................................................................................... 126
3.4.29 Alarm Code 66..................................................................................................... 127
3.4.30 Alarm Code 69..................................................................................................... 127
3.4.31 Alarm Code 70..................................................................................................... 127
3.4.32 Alarm Code 71..................................................................................................... 127
3.4.33 Alarm Code 72..................................................................................................... 127
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3.4.34 Alarm Code 73..................................................................................................... 128
3.4.35 Alarm Code 74..................................................................................................... 128
3.4.36 Alarm Code 75..................................................................................................... 128
3.4.37 Alarm Code 76..................................................................................................... 129
3.4.38 Alarm Code 77..................................................................................................... 129
3.4.39 Alarm Code 78..................................................................................................... 129
3.4.40 Alarm Code 79..................................................................................................... 129
3.4.41 Alarm Code 81..................................................................................................... 130
3.4.42 Alarm Code 82..................................................................................................... 131
3.4.43 Alarm Code 83..................................................................................................... 131
3.4.44 Alarm Code 84..................................................................................................... 132
3.4.45 Alarm Code 85..................................................................................................... 132
3.4.46 Alarm Code 86..................................................................................................... 132
3.4.47 Alarm Code 87..................................................................................................... 132
3.4.48 Alarm Code 88..................................................................................................... 132
3.4.49 Alarm Codes A, A1, and A2................................................................................ 132
3.4.50 Alarm Code b0..................................................................................................... 133
3.4.51 Alarm Codes C0,C1, and C2 ............................................................................... 133
3.4.52 Alarm Code C3 .................................................................................................... 133
3.4.53 Other Alarms ....................................................................................................... 134
3.5 αCi SERIES SPINDLE AMPLIFIER MODULE ..........................................135
3.5.1 Alarm Code 12..................................................................................................... 135
3.5.2 Alarm Code 35..................................................................................................... 136
4 HOW TO REPLACE THE FUSES AND PRINTED CIRCUIT
BOARDS ............................................................................................137
4.1 HOW TO REPLACE THE FUSES AND PRINTED CIRCUIT BOARDS ....138
4.1.1 Ordering Number of Printed Circuit Board......................................................... 139
4.1.2 Fuse Locations..................................................................................................... 140
4.1.2.1 PSM ..............................................................................................................140
4.1.2.2 SVM ..............................................................................................................141
4.1.2.3 SPM ..............................................................................................................142
4.2 HOW TO REPLACE THE FAN MOTOR....................................................143
4.2.1 Internal-Fan Motor Replacement Procedure Common to 60, 90, and 150 mm
Wide Units........................................................................................................... 143
4.2.2 External-Fan Motor Replacement Procedure for 60 and 90 mm Wide Units ..... 144
4.2.3 External-Fan Motor Replacement Procedure for 150 mm Wide Unit................. 145
4.2.4 External-Fan Motor Replacement Procedure for 300 mm Wide Unit................. 146
TABLE OF CONTENTS B-65285EN/03
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III. MOTOR MAINTENANCE
1 SERVO MOTOR MAINTENANCE......................................................149
1.1 RECEIVING AND KEEPING AC SERVO MOTORS .................................150
1.2 DAILY INSPECTION OF AC SERVO MOTORS .......................................151
1.3 PERIODIC INSPECTION OF AC SERVO MOTORS ................................153
1.4 REPLACING THE PULSECODER ............................................................156
1.5 SPECIFICATION NUMBERS OF REPLACEMENT PARTS......................158
2 SPINDLE MOTOR MAINTENANCE...................................................159
2.1 PREVENTIVE MAINTENANCE .................................................................160
2.2 MAINTENANCE PARTS............................................................................163
2.3 ALLOWABLE RADIAL LOAD .
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