List Of Alarm Display - Mitsubishi Electric FR-A760-00017-NA Installation Manuallines

6.2 List of alarm display

Operation Panel
Indication
E - - -
HOLD
to
Er1 to 4
to
rE1 to 4
Err.
OL
oL
RB
TH
PS
MT
CP
SL
FN
E.OC1
E.OC2
E.OC3
E.OV1
E.OV2
E.OV3
E.THT
E.THM
E.FIN
E.IPF
E.BE
E.UVT
E.ILF*
E.OLT
Name
Alarm history
Operation panel lock
Parameter write error
Copy operation error
Error
Stall prevention (overcurrent)
Stall prevention (overvoltage)
Regenerative brake prealarm
Electronic thermal relay function
prealarm
PU stop
Maintenance signal output
Parameter copy
Speed limit indication
(Output during speed limit)
Fan fault
Overcurrent shut-off during
acceleration
Overcurrent shut-off during
constant speed
Overcurrent shut-off during
deceleration or stop
Regenerative overvoltage shut-
off during acceleration
Regenerative overvoltage shut-
off during constant speed
Regenerative overvoltage shut-off
during deceleration or stop
Inverter overload shut-off
(electronic thermal relay function)
Motor overload shut-off
(electronic thermal relay function)
Fin overheat
Instantaneous power failure
Brake transistor alarm detection
Undervoltage
Input phase failure
Stall prevention
Operation Panel
Indication
E.GF
E.LF
E.OHT
E.PTC*
E.OPT
E.OP3
E. 1 to E.
to
3
E.PE
E.PUE
E.RET
E.PE2*
/
E. 6 /
/
E. 7 /
E.CPU
E.CTE
E.P24
E.CDO*
E.IOH*
E.SER*
E.AIE*
E.OS
E.OSD
E.ECT
E.OD
to
E.MB1 to
E.MB7
E.EP
E.BE
E.11
E.13
* If an error occurs when using the FR-PU04, "Fault 14" is displayed on
the FR-PU04.
TROUBLESHOOTING
Name
Output side earth (ground) fault
overcurrent
Output phase failure
External thermal relay operation
PTC thermistor operation
Option alarm
Communication option alarm
Option alarm
Parameter storage device alarm
PU disconnection
Retry count excess
Parameter storage device alarm
CPU error
Operation panel power supply
short circuit, RS-485 terminal
power supply short circuit
24VDC power output short
circuit
Output current detection value
exceeded
Inrush current limit circuit alarm
Communication error (inverter)
Analog input error
Overspeed occurence
Speed deviation excess
detection
Signal loss detection
Excessive position error
Brake sequence error
Encoder phase error
Brake transistor alarm detection
Opposite rotation deceleration
error
Internal circuit error
22