List Of Fault Or Alarm Indications - Mitsubishi Electric 700 Series Instruction Manual

6.2

List of fault or alarm indications

Operation Panel
Indication
E---
HOLD
LOCd
/
Er1 /
Er2 /
/
Er4
Err.
OL
oL
RB
TH
PS
MT
UV
SA
EV
FN
E.OC1
E.OC2
E.OC3
E.OV1
E.OV2
E.OV3
E.THT
E.THM
E.FIN
Refer
Name to
Page
Faults history
188
Operation panel lock
194
Password locked
194
194
Parameter write error
194
Inverter reset
Stall prevention
195
(overcurrent)
Stall prevention
195
(overvoltage)
Regenerative brake
196
prealarm
Electronic thermal relay
196
function prealarm
PU stop 195
196
Maintenance signal output
Undervoltage 196
196
Safety stop
24V external power supply
197
operation
197
Fan alarm
Overcurrent trip during
197
acceleration
Overcurrent trip during
197
constant speed
Overcurrent trip during
198
deceleration or stop
Regenerative overvoltage
198
trip during acceleration
Regenerative overvoltage
198
trip during constant speed
Regenerative overvoltage
trip during deceleration or 198
stop
Inverter overload trip
(electronic thermal relay 199
function)
Motor overload trip
199
(electronic thermal relay
function)
Heatsink overheat 199

List of fault or alarm indications

Operation Panel
Indication
E.ILF Input phase loss
E.OLT
Stall prevention stop
Brake transistor alarm
E. BE
detection
Output side earth (ground)
E.GF
fault overcurrent at start
E.LF
Output phase loss
E.OPT Option fault
Communication option
E.OP1
fault
E. 1
Option fault
Parameter storage device
E.PE
fault
E.PE2
Internal board fault
E.RET Retry count excess
/
E. 5/
/
E. 6/
CPU fault
E. 7/
/
E.CPU
Inrush current limit circuit
E.IOH
fault
E.13
Internal circuit fault
E.SAF Safety circuit fault
Refer
Name to
Page
199
200
200
200
200
201
200
201
201
201
201
202
202
202
202
6
193