14 - 58
MELSEC-A
14 TROUBLESHOOTING
14.2.6 Errors detected by MR-J2-03B5
Error
code
Servo
amplifier
LED display
Name Definition
Occurrence
factor
1. Power supply voltage is low.
2. An instantaneous power failure occurred for 40ms or longer.
3. Shortage of power supply capacity caused the power supply
voltage to drop at start, etc.
4. Power was restored after the bus voltage dropped to 15VDC.
(Main circuit power switched ON within 5s after it had switched
OFF.)
2010 10 Undervoltage
Power supply voltage
dropped to 20VDC or
less.
5. Faulty parts in the servo amplifier.
2011
11
Board error 1
Printed board fault
2012
12
Memory error 1
RAM, ROM memory
fault
2013
13
Clock error
Printed board fault
2015
15
Memory error 2
E
2
PROM fault
Faulty parts in the servo amplifier.
1. CNP2 connector disconnected.
2. Encoder faulty.
2016
16
Encoder error 1
Communication error
occurred between
encoder and servo
amplifier.
3. Encoder cable faulty (open cable or short circuit)
2017
17
Board error 2
CPU/parts fault
Faulty parts in the servo amplifier
1. CNP2 connector disconnected.
2. Encoder faulty
2020
20
Encoder error 2
Communication error
occurred between
encoder and servo
amplifier.
3. Servomotor cable faulty
(Encoder wiring is open or shorted)
1. Servomotor power cable insulation deteriorated, resulting in
ground fault.
2024
24
Main circuit error
Ground fault occurred at
the servomotor output U,
V and W phases of the
servo amplifier.
2. Main circuit of servo amplifier faulty.
1. Small acceleration/deceleration time constant caused overshoot
to be large.
2. Servo system is instable to cause overshoot.
2031 31 Overspeed
Speed has exceeded the
instantaneous
permissible speed.
3. Encoder faulty.
1. Short occurred in servo amplifier output phases U, V and W.
2. Servo amplifier transistor faulty
3. Ground fault occurred in servo amplifier output phases U, V and
W.
2032 32 Overcurrent
Current that flew is
higher than the
permissible current of
the servo amplifier.
4. External noise caused the overcurrent detection circuit to
malfunction.
2033 33 Overvoltage
Input value of converter
bus voltage exceeded
35V.
Power supply voltage is higher than permissible voltage range.
Содержание A1SD75M1
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Страница 332: ...7 18 MELSEC A 7 MEMORY CONFIGURATION AND DATA PROCESS MEMO...
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Страница 446: ...10 24 MELSEC A 10 ADVANCED POSITIONING CONTROL MEMO...
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Страница 576: ...12 104 MELSEC A 12 CONTROL AUXILIARY FUNCTIONS MEMO...
Страница 673: ...Appendix 5 MELSEC A APPENDICES Axis address mm inch degree pulse Axis address mm inch degree pulse...
Страница 679: ...Appendix 11 MELSEC A APPENDICES Initial value Axis 1 Axis 2 Axis 3 Remarks 0 0 0 1 1 0 0 0 0 0 300 0 0 0...
Страница 683: ...Appendix 15 MELSEC A APPENDICES Initial value Axis 1 Axis 2 Axis 3 Remarks 0 0 1 0 0 50 80 0 0 980...
Страница 691: ...Appendix 23 MELSEC A APPENDICES Initial value Axis 1 Axis 2 Axis 3 Remarks 0 0 0 0 0 50 80 0 0 0 0 0 980 4000 0...
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