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Appendices
A - 12 EtherCAT Communication Unit USER’S MANUAL (I574-E1)
MX2 Inverter fault factor list
1) MX2 Cause of fault
For specific remedies, refer to MX2 SERIES USER’S MANUAL (Cat No.I585).
2) MX2 Inverter status at fault occur
Cause (Alarm coder high-place)
Name Alarm code Data
No trip factor E00.0h
Overcurrent protection during constant speed E01.1h
Overcurrent protection during deceleration E02.2h
Overcurrent protection during acceleration E03.3h
Overcurrent protection during stop E04.4h
Overload protection E05.5h
Braking resistor overload protection E06.6h
Overvoltage protection E07.7h
EEPROM error E08.8h
Undervoltage protection E09.9h
Current detector error E10.Ah
CPU error E11.Bh
External trip E12.Ch
USP error E13.Dh
Grounding protection E14.Eh
Incoming overvoltage protection E15.Fh
Abnormal temperature E21.15h
Main circuit error E25.19h
Driver error E30.1Eh
Thermistor error E35.23h
Brake error E36.24h
Emergency shutoff E37.25h
Overload protection in a low speed range E38.26h
Digital operator connection error E40.28h
Modbus communication (Modbus-RTU) error E41.29h
Internal data error E43. to E45.
E50. to E69.
2Bh to 2Dh
32h to 45h
Encoder disconnection E80.50h
Overspeed E81.51h
Position control range trip E83.53h
Inverter status (Alarm coder low-place)
Name Alarm code Data
During reset E.0 0h
During stop E.1 1h
During deceleration E.2 2h
At a constant speed E.3 3h
During acceleration E.4 4h
Operates at frequency = 0 E.5 5h
During startup E.6 6h
DB active (DC injection braking active) E.7 7h
During overload limit E.8 8h
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