Faults History And The List Of Fault Displays - Mitsubishi Electric FR-A800 Instruction Manual

4.3

Faults history and the list of fault displays

For details, refer to the FR-A800 Instruction Manual (Detailed).
Operation panel
indication
E---- Faults history
HOLD Operation panel lock
LOCD Password locked
to
Er1 to
Er4 Parameter write error
Er8
to
rE1 to
rE4
Copy operation error
rE6 to
to
rE8
Err. Error
OL Stall prevention (overcurrent)
oL Stall prevention (overvoltage)
Electronic thermal relay function
TH
pre-alarm
PS PU stop
to
MT1 to
Maintenance signal output
MT3
SL Speed limit indication
SA Safety stop
UF USB host error
24 V external power supply
EV
operation
HP1 Home position return setting error
HP2 Home position return uncompleted
Home position return parameter
HP3
setting error
FN Fan alarm
FN2 Internal-circulation fan alarm
E.OC1 Overcurrent trip during acceleration
Overcurrent trip during constant
E.OC2
speed
Overcurrent trip during deceleration
E.OC3
or stop
Regenerative overvoltage trip
E.OV1
during acceleration
Regenerative overvoltage trip
E.OV2
during constant speed
Regenerative overvoltage trip
E.OV3
during deceleration or stop
Inverter overload trip (electronic
E.THT
thermal relay function)
Motor overload trip (electronic
E.THM
thermal relay function)
E.FIN Heatsink overheat
E.IPF Instantaneous power failure
E.UVT Undervoltage
E.ILF Input phase loss
E.OLT Stall prevention stop
Output side earth (ground) fault
E.GF
overcurrent
Name
If faults other than the above appear, contact your sales
representative.
Faults history and the list of fault displays
Operation panel
indication
E. SOT Loss of synchronism detection
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. 1 to
Option fault
E. 3
E.PE Parameter storage device fault
E.PUE PU disconnection
E.RET Retry count excess
E.PE2 Parameter storage device fault
to
E. 5 to
E. 7 CPU fault
E.CPU
Operation panel power supply short
E.CTE circuit/RS-485 terminals power
supply short circuit
E.P24 24 VDC power fault
E.CDO Abnormal output current detection
E.IOH Inrush current limit circuit fault
E.SER Communication fault (inverter)
E.AIE Analog input 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 Brake sequence fault
E.MB7
E.EP Encoder phase fault
E.BE Brake transistor alarm detection
E.USB USB communication fault
E.11 Opposite rotation deceleration fault
E.13
Internal circuit fault
E.PBT
E.SAF Safety circuit fault
E.IAH Abnormal internal temperature
E.LCI 4 mA input fault
E.PCH Pre-charge fault
E.PID PID signal fault
to E.16 to
User definition error by the PLC
E.20 function
PROTECTIVE FUNCTIONS
Name
4
87