14 - 62
MELSEC-A
14 TROUBLESHOOTING
Error
code
Servo
amplifier
LED display
Name Definition
Occurrence
factor
1. Acceleration/deceleration time constant is small.
2. Torque limit value is small.
3. Motor cannot be started due to torque shortage caused by power
supply voltage drop.
4. " Pr.113 Position loop gain 1" value is small.
5. Servomotor shaft was rotated by external force.
6. Machine struck something.
7. Encoder faulty.
2052 52
Error
excessive
Droop pulse value of the
deviation counter
exceeded the
" Pr.131 Error excessive
alarm level" value (initial
value: 80kpulses).
8. Wrong connection of servomotor.
Servo amplifier's output terminals U, V, W do not match
servomotor's input terminals U, V, W.
1. Communication cable faulty (open cable or short circuit).
2086 8E
RS-232
alarm
Serial communication
error occurred between
servo amplifier and
telecommunication
equipment (personal
computer or similar
device).
2. Telecommunication equipment (personal computer or similar
device) faulty.
Summary of Contents for A1SD75M1
Page 2: ......
Page 20: ...A 18 MEMO...
Page 22: ...MEMO...
Page 27: ...1 5 MELSEC A 1 PRODUCT OUTLINE MEMO...
Page 42: ...1 20 MELSEC A 1 PRODUCT OUTLINE MEMO...
Page 52: ...2 10 MELSEC A 2 SYSTEM CONFIGURATION MEMO...
Page 111: ...5 21 MELSEC A 5 DATA USED FOR POSITIONING CONTROL MEMO...
Page 115: ...5 25 MELSEC A 5 DATA USED FOR POSITIONING CONTROL MEMO...
Page 123: ...5 33 MELSEC A 5 DATA USED FOR POSITIONING CONTROL MEMO...
Page 127: ...5 37 MELSEC A 5 DATA USED FOR POSITIONING CONTROL MEMO...
Page 167: ...5 77 MELSEC A 5 DATA USED FOR POSITIONING CONTROL MEMO...
Page 193: ...5 103 MELSEC A 5 DATA USED FOR POSITIONING CONTROL MEMO...
Page 276: ...5 186 MELSEC A 5 DATA USED FOR POSITIONING CONTROL MEMO...
Page 332: ...7 18 MELSEC A 7 MEMORY CONFIGURATION AND DATA PROCESS MEMO...
Page 334: ...MEMO...
Page 422: ...9 64 MELSEC A 9 MAIN POSITIONING CONTROL MEMO...
Page 446: ...10 24 MELSEC A 10 ADVANCED POSITIONING CONTROL MEMO...
Page 472: ...11 26 MELSEC A 11 MANUAL CONTROL MEMO...
Page 576: ...12 104 MELSEC A 12 CONTROL AUXILIARY FUNCTIONS MEMO...
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