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List Of Fault Or Alarm Indications - Mitsubishi Electric FR-E720-0.1K(SC) Instruction Manual

Fr-e700 series.
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5.2

List of fault or alarm indications

Operation Panel
Indication
E---
HOLD
LOCd
to
Er1 to 4
Err.
OL
oL
RB
TH
PS
MT
UV
SA∗2
EV∗3
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
286
Operation panel lock
292
Password locked
292
292
Parameter write error
Inverter reset
293
Stall prevention
293
(overcurrent)
Stall prevention
294
(overvoltage)
Regenerative brake
294
prealarm
Electronic thermal relay
294
function prealarm
PU stop
294
Maintenance signal output
295
295
Undervoltage
Safety stop
295
24V external power supply
295
operation
295
Fan alarm
Overcurrent trip during
296
acceleration
Overcurrent trip during
296
constant speed
Overcurrent trip during
296
deceleration or stop
Regenerative overvoltage
297
trip during acceleration
Regenerative overvoltage
297
trip during constant speed
Regenerative overvoltage
trip during deceleration or
297
stop
Inverter overload trip
(electronic thermal relay
297
function)
Motor overload trip
(electronic thermal relay
298
function)
Heatsink overheat
298
List of fault or alarm indications
Operation Panel
Indication
E.ILF ∗1
E.OLT
E. BE
E.GF
E.LF
E.OHT
E.OPT
E.OP1
E. 1
E.PE
E.PE2
∗1
E.PUE
E.RET
/
E. 5/
/
E. 6/
E. 7/
/
E.CPU
E.IOH
∗1
E.AIE ∗1
E. USB
∗1
E.MB4
to
to
E.MB7
E.SAF
∗1∗2
E.13
∗1
If a fault occurs when using with the FR-PU04, "Fault 14" is displayed on
the FR-PU04.
∗2
This is displayed only for the safety stop function model.
∗3
This is displayed only when using the safety stop function model with FR-
E7DS mounted.
......Specifications differ according to the date assembled.
Refer to page 338 to check the SERIAL number.
Refer
Name
to
Page
Input phase loss
298
Stall prevention stop
298
Brake transistor alarm
299
detection
Output side earth (ground)
299
fault overcurrent at start
299
Output phase loss
External thermal relay
299
operation
Option fault
299
Communication option
300
fault
Option fault
300
Parameter storage device
300
fault
Internal board fault
300
PU disconnection
300
301
Retry count excess
301
CPU fault
Inrush current limit circuit
301
fault
301
Analog input fault
USB communication fault
301
Brake sequence fault
301
302
Safety circuit fault
302
Internal circuit fault
291
5

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