Справочник Пользователя для Mitsubishi Electronics FR-D720-008
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List of fault or alarm indications
5.2 List of fault or alarm indications
∗ If a fault occurs when using with the FR-PU04, "Fault 14" is displayed on the
FR-PU04.
Operation Panel
Indication
Name
Refer
to
Page
Erro
r mes
sag
e
E---
Faults history
HOLD
Operation panel lock
LOCd
Password locked
Er1 to 4
Parameter write error
Err.
Inverter reset
W
a
rnings
OL
Stall prevention
(overcurrent)
(overcurrent)
oL
Stall prevention
(overvoltage)
(overvoltage)
RB
Regenerative brake
prealarm
prealarm
TH
Electronic thermal relay
function prealarm
function prealarm
PS
PU stop
MT
Maintenance signal output
UV
Undervoltage
SA
Safety stop
Alarm
FN
Fan fault
F
ault
E.OC1
Overcurrent trip during
acceleration
acceleration
E.OC2
Overcurrent trip during
constant speed
constant speed
E.OC3
Overcurrent trip during
deceleration or stop
deceleration or stop
E.OV1
Regenerative overvoltage
trip during acceleration
trip during acceleration
E.OV2
Regenerative overvoltage
trip during constant speed
trip during constant speed
E.OV3
Regenerative overvoltage
trip during deceleration or
stop
trip during deceleration or
stop
E.THT
Inverter overload trip
(electronic thermal relay
function)
(electronic thermal relay
function)
E.THM
Motor overload trip
(electronic thermal relay
function)
(electronic thermal relay
function)
E.FIN
Fin overheat
to
F
ault
E.ILF
∗
Input phase loss
E.OLT
Stall prevention
E. BE
Brake transistor alarm
detection
detection
E.GF
Output side earth (ground)
fault overcurrent at start
fault overcurrent at start
E.LF
Output phase loss
E.OHT
External thermal relay
operation
operation
E.PTC
∗
PTC thermistor operation
E.PE
Parameter storage device
fault
fault
E.PUE
PU disconnection
E.RET
Retry count excess
/
E.5 /
E.CPU
CPU fault
E.CDO
∗
Output current detection
value exceeded
value exceeded
E.IOH
∗
Inrush current limit circuit
fault
fault
E.AIE
∗
Analog input fault
E.SAF
∗
Safety circuit fault
Operation Panel
Indication
Name
Refer
to
Page