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125
4
PROTECTIVE FUNCTIONS
List of fault and alarm indications
4.3 List of fault and alarm indications
Operation Panel Indication Name Refer to page
Error
message
E- - -
Faults history 134
HOLD
Operation panel lock 126
Er1
Parameter write error 126
rE1 to 4
Copy operation fault 126
Err.
Error 127
Warning
OL
Overload signal detection 127
PS
PU stop 127
TH
Electronic thermal relay pre-alarm 127
MT
Maintenance signal output 128
CP Parameter copy 128
SL
Power supply not detected 128
Alarm
FN
Fan fault 128
Fault
E.OC2
Overcurrent trip 128
E.OV2
Overvoltage trip 129
E.THT
Converter overload trip (electronic thermal relay function) 129
E.FIN
Fin overheat 129
E.IPF
Instantaneous power failure 129
E.UVT
Undervoltage 129
E.ILF
Input phase loss 130
E.OHT
External thermal relay operation 130
E. 2
HC2 dedicated board disconnection 130
E. 3
Option fault 130
E.OP3
Communication option fault 130
E.PE
Parameter storage device fault 131
E.PE2
Parameter storage device fault 131
E.PUE
PU disconnection 131
E.RET
Retry count excess 131
E. 6
CPU fault 131
E. 7
CPU
E. 8
Input power supply fault 1 131
E. 9
Input power supply fault 2 132
E.CTE
Operation panel power supply short circuit, RS-485 terminal
power supply short circuit
132
E.P24
24VDC power output short circuit 132
E.CDO
Input current detection value exceeded 132
E.IOH
Inrush current limit circuit fault 132
E. 13
Internal circuit fault 133
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