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List of fault or alarm display
6
TROUBLESHOOTING
6.2 List of fault or alarm display
* If an error occurs when using FR-PU04/FR-PU07, "Fault 14" is
displayed on FR-PU04/FR-PU07.
Operation Panel
Indication
Name
Fault
data
code
Refer
to
page
Error message
E--- Faults history — 132
HOLD Operation panel lock — 118
LOCd Password locked — 118
Er1 to 4
Parameter write error — 118
rE1 to 4
Copy operation error — 119
Err. Error — 119
Warning
OL
Stall prevention
(overcurrent)
— 120
oL
Stall prevention
(overvoltage)
— 120
RB
Regenerative brake
prealarm
— 121
TH
Electronic thermal
relay function prealarm
— 121
PS PU stop — 120
MT
Maintenance signal
output
— 121
CP Parameter copy — 121
Alarm
FN Fan alarm — 121
Fault
E.OC1
Overcurrent trip during
acceleration
16
(H10)
122
E.OC2
Overcurrent trip during
constant speed
17
(H11)
122
E.OC3
Overcurrent trip during
deceleration or stop
18
(H12)
123
E.OV1
Regenerative
overvoltage trip during
acceleration
32
(H20)
123
E.OV2
Regenerative
overvoltage trip during
constant speed
33
(H21)
123
E.OV3
Regenerative
overvoltage trip during
deceleration or stop
34
(H22)
123
E.THT
Inverter overload trip
(electronic thermal relay
function)
48
(H30)
124
E.THM
Motor overload trip
(electronic thermal relay
function)
49
(H31)
124
E.FIN Heatsink overheat
64
(H40)
124
E.IPF
Instantaneous power
failure
80
(H50)
125
E.BE
Brake transistor alarm
detection/internal
circuit fault
112
(H70)
125
E.UVT Undervoltage
81
(H51)
125
E.ILF* Input phase loss
82
(H52)
125
E.OLT Stall prevention stop
96
(H60)
126
to
to
Fault
E.SOT*
Loss of synchronism
detection
97
(H61)
126
E.GF
Output side earth
(ground) fault
overcurrent
128
(H80)
126
E.LF Output phase loss
129
(H81)
126
E.OHT
External thermal relay
operation
*2
144
(H90)
126
E.PTC*
PTC thermistor
operation
145
(H91)
127
E.OPT Option fault
160
(HA0)
127
E.OP1
Communication option
fault
161
(HA1)
127
E. 1 Option fault
241
(HF1)
127
E.PE
Parameter storage
device fault
176
(HB0)
128
E.PUE PU disconnection
177
(HB1)
128
E.RET Retry count excess
178
(HB2)
128
E.PE2*
Parameter storage
device fault
179
(HB3)
128
E. 5
E. 6
E. 7
E.CPU
CPU fault
245
(HF5)
246
(HF6)
247
(HF7)
192
(HC0)
128
E.CTE
Operation panel power
supply short circuit,
RS-485 terminal
power supply short
circuit
193
(HC1)
129
E.P24
24VDC power output
short circuit
194
(HC2)
129
E.CDO*
Output current
detection value
exceeded
196
(HC4)
129
E.IOH*
Inrush current limit
circuit fault
197
(HC5)
129
E.SER*
Communication fault
(inverter)
198
(HC6)
129
E.AIE* Analog input fault
199
(HC7)
130
E.PID* PID signal fault
230
(HE6)
130
E.13 Internal circuit fault
253
(HFD)
130
Operation Panel
Indication
Name
Fault
data
code
Refer
to
page
IPM
IPM
IPM