22
TROUBLESHOOTING
6.2 List of alarm display
* If an error occurs when using the FR-PU04, "Fault 14" is displayed on
the FR-PU04.
Operation Panel
Indication
Name
E
rro
r m
essag
e
E - - -
Alarm history
HOLD
Operation panel lock
Er1 to 4
Parameter write error
rE1 to 4
Copy operation error
Err.
Error
Wa
rn
in
gs
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
SL
Speed limit indication
(Output during speed limit)
Mi
no
r f
au
lt
FN
Fan fault
Ma
jo
r f
au
lt
E.OC1
Overcurrent shut-off during
acceleration
E.OC2
Overcurrent shut-off during
constant speed
E.OC3
Overcurrent shut-off during
deceleration or stop
E.OV1
Regenerative overvoltage shut-
off during acceleration
E.OV2
Regenerative overvoltage shut-
off during constant speed
E.OV3
Regenerative overvoltage shut-off
during deceleration or stop
E.THT
Inverter overload shut-off
(electronic thermal relay function)
E.THM
Motor overload shut-off
(electronic thermal relay function)
E.FIN
Fin overheat
E.IPF
Instantaneous power failure
E.BE
Brake transistor alarm detection
E.UVT
Undervoltage
E.ILF*
Input phase failure
E.OLT
Stall prevention
to
to
Ma
jo
r fa
u
lt
E.GF
Output side earth (ground) fault
overcurrent
E.LF
Output phase failure
E.OHT
External thermal relay operation
E.PTC*
PTC thermistor operation
E.OPT
Option alarm
E.OP3
Communication option alarm
E. 1 to E.
3
Option alarm
E.PE
Parameter storage device alarm
E.PUE
PU disconnection
E.RET
Retry count excess
E.PE2*
Parameter storage device alarm
/
/
E. 6 /
E. 7 /
E.CPU
CPU error
E.CTE
Operation panel power supply
short circuit, RS-485 terminal
power supply short circuit
E.P24
24VDC power output short
circuit
E.CDO*
Output current detection value
exceeded
E.IOH*
Inrush current limit circuit alarm
E.SER*
Communication error (inverter)
E.AIE*
Analog input error
E.OS
Overspeed occurence
E.OSD
Speed deviation excess
detection
E.ECT
Signal loss detection
E.OD
Excessive position error
E.MB1 to
E.MB7
Brake sequence error
E.EP
Encoder phase error
E.BE
Brake transistor alarm detection
E.11
Opposite rotation deceleration
error
E.13
Internal circuit error
Operation Panel
Indication
Name
to
to
A760_installation_guideline_NA.book 22 ページ 2007年1月10日 水曜日 午前8時49分
Summary of Contents for FR-A760-00017-NA
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