Mitsubishi FR-A740-00023-EC, Instruction Manual

Page: 403 / 474

393
List of alarm display
5
P
R
OTECTIVE
FUNC
TI
ONS
5.2 List of alarm display
* If an error occurs when using the FR-PU04, "Fault 14" is displayed on
the FR-PU04.
Operation Panel
Indication
Name
Refer
to
E
rro
r m
es
sa
ge
E - - - Alarm history 388
HOLD Operation panel lock 394
Er1 to 4 Parameter write error 394
rE1 to 4 Copy operation error 395
Err. Error 395
Wa
rn
in
gs
OL Stall prevention (overcurrent) 396
oL Stall prevention (overvoltage) 396
RB Regenerative brake prealarm 397
TH
Electronic thermal relay
function prealarm
397
PS PU stop 396
MT Maintenance signal output 397
CP Parameter copy 397
SL
Speed limit indication
(Output during speed limit)
397
M
inor
fault
FN Fan fault 397
Ma
jo
r fa
u
lt
E.OC1 Overcurrent shut-off during
acceleration
398
E.OC2 Overcurrent shut-off during
constant speed
398
E.OC3 Overcurrent shut-off during
deceleration or stop
398
E.OV1 Regenerative overvoltage
shut-off during acceleration
399
E.OV2 Regenerative overvoltage
shut-off during constant speed
399
E.OV3 Regenerative overvoltage shut-
off during deceleration or stop
399
E.THT Inverter overload shut-off
(electronic thermal relay function)
399
E.THM Motor overload shut-off
(electronic thermal relay function)
399
E.FIN Fin overheat 400
E.IPF Instantaneous power failure 400
E.BE
Brake transistor alarm
detection
400
E.UVT Undervoltage 400
E.ILF* Input phase failure 400
E.OLT Stall prevention 401
to
to
M
aj
o
r f
aul
t
E.GF
Output side earth (ground)
fault overcurrent
401
E.LF Output phase failure 401
E.OHT External thermal relay
operation
*2
401
E.PTC* PTC thermistor operation 401
E.OPT Option alarm 402
E.OP3 Communication option alarm 402
E. 1 to
E. 3
Option alarm 402
E.PE
Parameter storage device
alarm
402
E.PUE PU disconnection 403
E.RET Retry count excess 403
E.PE2* Parameter storage device
alarm
403
/
/
E. 6 /
E. 7 /
E.CPU
CPU error 403
E.CTE
Operation panel power
supply short circuit, RS-485
terminal power supply short
circuit
403
E.P24 24VDC power output short
circuit
405
E.CDO* Output current detection
value exceeded
405
E.IOH* Inrush current limit circuit
alarm
405
E.SER* Communication error
(inverter)
405
E.AIE* Analog input error 405
E.OS Overspeed occurence 404
E.OSD Speed deviation excess
detection
404
E.ECT Signal loss detection 404
E.OD Excessive position error 404
E.MB1
to
E.MB7
Brake sequence error 403
E.EP Encoder phase error 404
E.USB* USB communication error 405
E.11
Opposite rotation
deceleration error
406
E.13 Internal circuit error 406
Operation Panel
Indication
Name
Refer
to
to
to