Mitsubishi Electric 800 Series Instruction Manual page 96

4.3
Fault history and the list of fault displays
For details, refer to the FR-A800 Instruction Manual (Detailed).
Abbreviation
LOCD Password locked
Er1 to Er4
Parameter write error
Er8
rE1 to rE8 Copy operation error
Err. Error
OL Stall prevention (overcurrent)
oL Stall prevention (overvoltage)
TH Electronic thermal relay function pre-alarm
PS PU stop
MT1 to MT3 Maintenance signal output
SL Speed limit indication
Continuous operation during communication
CF
fault
SA Safety stop
UF USB host error
HP1 Home position return setting error
HP2 Home position return uncompleted
HP3 Home position return parameter setting error
EHR Ethernet communication fault

FN Fan alarm
FN2 Internal-circulation fan alarm
E.OC1 Overcurrent trip during acceleration
E.OC2 Overcurrent trip during constant speed
E.OC3 Overcurrent trip during deceleration or stop
Regenerative overvoltage trip during
E.OV1
acceleration
Regenerative overvoltage trip during
E.OV2
constant speed
Regenerative overvoltage trip during
E.OV3
deceleration or stop
Inverter overload trip (electronic thermal
E.THT
relay function)
Motor overload trip (electronic thermal relay
E.THM
function)
E.FIN Heatsink overheat
E.IPF Instantaneous power failure
E.UVT Undervoltage
E.ILF Input phase loss
E.OLT Stall prevention stop
E.GF Output side earth (ground) fault overcurrent
E.SOT Loss of synchronism detection
E.LUP Upper limit fault detection
E.LDN Lower limit fault detection
E.LF Output phase loss
E.OHT External thermal relay operation
E.PTC PTC thermistor operation
E.OPT Option fault
E.OP1 to E.OP3 Communication option fault
E. 1 to E. 3 Option fault
Parameter storage device fault (control
E.PE
circuit board)
E.PUE PU disconnection
E.RET Retry count excess
Parameter storage device fault (main circuit
E.PE2
board)
E. 5 to E. 7
CPU fault
E.CPU
E.CTE Operation panel power supply short circuit
E.P24 24 VDC power fault
E.CDO Abnormal output current detection
E.IOH Inrush current limit circuit fault
E.AIE Analog input fault
E.OS Overspeed occurrence
Name
If faults other than the above appear, contact your sales
representative.
Fault history and the list of fault displays
Abbreviation
E.OSD Speed deviation excess detection
E.ECT Signal loss detection
E.OD Excessive position fault
E.MB1 to E.MB7 Brake sequence fault
E.EP Encoder phase fault
E.MP Magnetic pole position unknown
E.EF External fault during output operation
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
E.EHR Ethernet communication fault

E.16 to E.20 User definition error by the PLC function
E---- Fault history
E.0 No fault records
EV 24 V external power supply operation
RD Backup in progress
WR Restoration in progress

"Fault" is displayed on the FR-LU08-01.
PROTECTIVE FUNCTIONS
Name
4
95