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

5.2

List of fault or alarm indications

Operation Panel
Indication
E---
HOLD
to
Er1 to 4
Err.
OL
oL
RB
TH
PS
MT
UV
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
275
Operation panel lock
280
280
Parameter write error
Inverter reset 280
Stall prevention
281
(overcurrent)
Stall prevention
281
(overvoltage)
Regenerative brake
282
prealarm
Electronic thermal relay
282
function prealarm
PU stop 281
282
Maintenance signal output
Undervoltage 282
282
Fan alarm
Overcurrent trip during
283
acceleration
Overcurrent trip during
283
constant speed
Overcurrent trip during
283
deceleration or stop
Regenerative overvoltage
283
trip during acceleration
Regenerative overvoltage
284
trip during constant speed
Regenerative overvoltage
284
trip during deceleration or
stop
Inverter overload trip
284
(electronic thermal relay
function)
Motor overload trip
(electronic thermal relay 284
function)
285
Fin overheat

List of fault or alarm indications

Operation Panel
Indication
E.ILF ∗
E.OLT
E. BE
E.GF
E.LF
E.OHT
E.OP1
E. 1
E.PE
E.PE2 ∗
E.PUE
E.RET
/
E. 5/
/
E. 6/
E. 7/
/
E.CPU
E.IOH ∗
E.AIE ∗
E. USB ∗
E.MB4
to
to
E.MB7
E.13
∗ If a fault occurs when using with the FR-PU04, "Fault 14" is displayed on the
FR-PU04.
.. Specifications differ according to the date assembled.
Refer to page 324 to check the SERIAL number.
Refer
Name to
Page
285
Input phase loss
Stall prevention 285
Brake transistor alarm
285
detection
Output side earth (ground)
285
fault overcurrent at start
Output phase loss 286
External thermal relay
286
operation
Communication option
286
fault
Option fault 286
Parameter storage device
286
fault
287
Internal board fault
PU disconnection 287
287
Retry count excess
287
CPU fault
Inrush current limit circuit
287
fault
Analog input fault 288
USB communication fault 288
Brake sequence fault 287
Internal circuit fault 288
279
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