List Of Fault And Alarm Indications - Mitsubishi Electric FR-HC2-7.5K Instruction Manual

4.3

List of fault and alarm indications

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

List of fault and alarm indications

Name Refer to page
134
126
126
126
127
127
127
127
128
128
128
128
128
129
129
129
129
129
130
130
130
130
130
131
131
131
131
131
4
131
132
132
132
132
132
133
125