List Of Alarm Display - Mitsubishi Electric FR-F740-00023 Installation Manuallines

7.2 List of alarm display

Operation Panel
Name
Indication
E - - - Faults history
HOLD
Operation panel lock
LOCD
Password locked
to
Er1 to 4
Parameter write error
to
rE1 to 4 Copy operation error
Err.
Error
OL
Stall Prevention (overcurrent)
oL
Stall prevention (overvoltage)
RB
Regenerative brake prealarm
Electronic thermal relay
TH
function prealarm
PS
PU Stop
MT
Maintenance signal output
CP
Parameter copy
FN Fan alarm
Overcurrent shut-off during
E.OC1
acceleration
Overcurrent shut-off during
E.OC2
constant speed
Overcurrent shut-off during
E.OC3
deceleration or stop
Regenerative overvoltage
E.OV1
shut-off during acceleration
Regenerative overvoltage
E.OV2
shut-off during constant speed
Regenerative overvoltage
E.OV3
shut-off during deceleration or
stop
Inverter overload shut-off
E.THT
(electronic thermal relay
function)
Motor overload shut-off
E.THM
(electronic thermal relay
function)
E.FIN
Fin overheat
Instantaneous power failure
E.IPF
protection
Brake transistor alarm
E.BE
detection/Internal circuit error
Fault
Operation Panel
Data
Indication
Code
—
E.UVT
—
E.ILF*
—
E.OLT
— E.GF
E.LF
—
E.OHT
—
E.PTC*
—
E.OPT
—
E.OP1
—
E.OP2
—
E. 1
—
E. 2
—
E.PE
—
E.PUE
—
E.RET
16
(H10)
E.PE2*
17
(H11)
E. 5
18
(H12)
E. 6
32
(H20)
E. 7
33
E.CPU
(H21)
34
E.CTE
(H22)
48
E.P24
(H30)
E.CDO* Output current detection value
49
(H31)
E.IOH*
64
(H40)
E.SER*
80
(H50)
E.AIE*
112
(H70)
E.PID*
E.13
E.PCH*
E.LCI*
* If an "E.ILF, E.PTC, E.PE2, E.CDO, E.IOH, E.SER, E.AIE,
E.PID, E.PCH, E.LCI" fault occurs when using the FR-PU04,
"Fault 14" is displayed on the FR-PU04.
TROUBLESHOOTING
Name
Undervoltage protection
Input phase failure
Stall prevention
Output side earth (ground)
fault overcurrent protection
Output phase failure
protection
External thermal relay
operation
PTC thermistor operation
Option fault
Communication option fault
(e. g. communication error)
Option fault
(e. g. connection or contact
fault)
Parameter storage device
fault
PU disconnection
Retry count excess
Parameter storage device
fault
CPU fault
RS-485 terminal power supply
short circuit
24V DC power output short
circuit
exceeded
Inrush current limit circuit fault
Communication fault (inverter)
Analog input fault
PID signal fault
Internal circuit fault
Pre-charge fault
4mA input fault
Fault
Data
Code
81
(H51)
82
(H52)
96
(H60)
128
(H80)
129
(H81)
144
(H90)
145
(H91)
160
(HA0)
161
(HA1)
162
(HA2)
241
(HF1)
242
(HF2)
176
(HB0)
177
(HB1)
178
(HB2)
179
(HB3)
245
(HF5)
246
(HF6)
247
(HF7)
192
(HC0)
193
(HC1)
194
(HC2)
196
(HC4)
197
(HC5)
198
(HC6)
199
(HC7)
230
(HE6)
253
(HFD)
229
(HE5)
228
(HE4)
23