14 - 30
MELSEC-A
14 TROUBLESHOOTING
Error
code
Servo
amplifier
LED display
Name Definition
Occurrence
factor
1. SSCNET cable is disconnected.
2. SSCNET cable fault.
3. Noise entered the SSCNET cable.
2034 34
CRC
error
SSCNET cable
communication error
4. The terminal connector is disconnected.
1. Command pulse frequency too high.
2035 35
Command pulse
frequency alarm
Input command pulse is
too high.
2. Noise entered the command pulse.
1. SSCNET cable is disconnected.
2. SSCNET cable fault.
3. Printed board H-C10 fault.
2036 36
Transfer
error
SSCNET cable or
printed board fault
4. The terminal connector is disconnected.
1. Servo amplifier fault caused the parameter setting to be rewritten.
2037
37
Parameter error Parameter setting error
2. Mis-setting of servo amplifier parameter data
2042
42
Feedback alarm Encoder signal is faulty.
Encoder faulty.
1. Servo amplifier faulty.
2. The power supply was turned ON and OFF continuously by
overloaded status.
2045 45
Main circuit
device overheat
Main circuit overheated
abnormally.
3. Air cooling fan of servo amplifier stopped.
1. Ambient temperature of servomotor is over 40°C.
2. Servomotor is overloaded.
3. Thermal protector in encoder is faulty.
2046 46
Servomotor
overheat
Servomotor temperature
rise actuated the thermal
protector.
4. Air cooling fan of servomotor stopped.
1. Servo amplifier is used in excess of its continuous output current.
2. Servo system is instable and hunting.
3. Machine struck something.
4. Wrong connection of servomotor.
Servo amplifier's output terminals U, V, W do not match
servomotor's input terminals U, V, W.
2050 50
Overload
1
Load exceeded overload
protection characteristic
of servo amplifier.
Load ratio 300%:
2.5s or more
Load ratio 200%:
100s or more
5. Encoder 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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