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MELSEC-A
14 TROUBLESHOOTING
14.2.3 Errors detected by MR-J-B
Error
code
Servo
amplifier
LED display
Name and definition
Occurrence factor
1. Power supply voltage is 160VAC or less.
2. An instantaneous power failure occurred for 15ms or longer.
2010 10
Undervoltage
The power supply voltage (R, S, T)
dropped to or below the given level
(160VAC).
3. Shortage of power supply capacity caused the power supply
voltage to drop at start, etc.
2012 12
Memory error 1
ROM, RAM
J-C21 printed board fault
2013
13
Clock error
J-C21 printed board fault
2015 15
Memory error 2
E
2
PROM
J-C21 printed board fault
1. Encoder connector disconnected.
2. Servomotor encoder faulty.
2016
16
Encoder error 1
3. Encoder cable faulty (open cable or short circuit)
2017 17 Board
error
J-P4
printed board fault
1. Excessive noise generated.
2020
20
Encoder error 2
2. Encoder cable fault (open cable or short circuit)
1. Voltage low in the super capacitor in the detector (set-up start)
2. Battery voltage low
2025
25
Absolute position erase
3. Battery cable or battery is faulty.
1. " Pr.102 Regenerative brake resistor" setting error
2. Regenerative brake resistor not connected.
3. Max. regenerative load exceeded.
(1) High-duty operation caused the maximum load capacity of the
regenerative brake resistor to be exceeded.
(2) Continuous regenerative operation caused the maximum load
capacity of the regenerative brake resistor to be exceeded.
4. Regenerative power transistor damaged (short circuit).
2030 30 Regenerative
error
5. Regenerative brake resistor 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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