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List of fault displays
PROTECTIVE FUNCTIONS
83
4
4.4 List of fault displays
For details, refer to the FR-A800 Instruction Manual (Detailed).
Operation panel indication Name
Error message
E---- Faults history
HOLD Operation panel lock
LOCD Password locked
to
Er1 to Er4
Er8
Parameter write error
to
to
rE1 to rE4
rE6 to rE8
Copy operation error
Err. Error
Warning
OL Stall prevention (overcurrent)
oL Stall prevention (overvoltage)
TH
Electronic thermal relay
function pre-alarm
PS PU stop
SL
Speed limit indication (output
during speed limit)
CP Parameter copy
SA Safety stop
to
MT1 to MT3 Maintenance timer 1 to 3
UF USB host error
HP1
Home position return setting
error
HP2
Home position return
uncompleted
HP3
Home position return
parameter setting error
EV
24 V external power supply
operation
Alarm
FN Fan alarm
Fault
E.OC1
Overcurrent trip during
acceleration
E.OC2
Overcurrent trip during
constant speed
E.OC3
Overcurrent trip during
deceleration or stop
E.OV1
Regenerative overvoltage trip
during acceleration
E.OV2
Regenerative overvoltage trip
during constant speed
E.OV3
Regenerative overvoltage trip
during deceleration or stop
E.THT
Inverter overload trip
(electronic thermal relay
function)
E.THM
Motor overload trip (electronic
thermal relay function)
E.FIN Heatsink overheat
Fault
E.OLT Stall prevention stop
E. SOT Loss of synchronism detection
E.GF
Output side earth (ground)
fault overcurrent
E.LF Output phase loss
E.OHT
External thermal relay
operation
E.PTC PTC thermistor operation
E.OPT Option fault
E.OP1 Communication option fault
to E.16 to E.20
User definition error by the
PLC function
E.PE Parameter storage device fault
E.PUE PU disconnection
E.RET Retry count excess
E.PE2 Parameter storage device fault
to
E.CPU
E. 5 to E. 7/
CPU fault
E.CTE
Operation panel power supply
short circuit
RS-485 terminals power
supply short circuit
E.P24 24 VDC power fault
E.CDO
Abnormal output current
detection
E.SER Communication fault (inverter)
E.AIE Analog input fault
E.USB USB communication fault
E.SAF Safety circuit fault
E.PBT
E.13
Internal circuit fault
E.OS Overspeed occurrence
E.OSD
Speed deviation excess
detection
E.ECT Signal loss detection
E.OD Excessive position fault
to
E.MB1 to
E.MB7
Brake sequence fault
E.EP Encoder phase fault
E.LCI 4 mA input fault
Operation panel indication Name