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