Mitsubishi Electric FR-A862-E Instruction Manual page 70

4.3
List of fault displays
For details, refer to the Instruction Manual (Detailed) of the FR-A860.
Abbreviation
HOLD Operation panel lock
LOCD Password locked
Er1 to Er4
Parameter write error
Er8
rE1 to rE8 Copy operation error
Err. RES signal ON or communication circuit fault
OL Stall prevention (overcurrent)
oL Stall prevention (overvoltage)
TH Electronic thermal relay function pre-alarm
PS PU stop
Speed limit indication (output during speed
SL
limit)
Continuous operation during communication
CF
fault
CP Parameter copy
SA SA
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
EHR Ethernet communication fault
FN 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 constant
E.OV2
speed
Regenerative overvoltage trip during
E.OV3
deceleration or stop
Inverter overload trip (electronic thermal relay
E.THT
function)
Motor overload trip (electronic thermal relay
E.THM
function)
E.FIN Heat sink overheat
Name
If faults other than the above appear, contact your sales
representative.
Abbreviation
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 to
Communication option fault
E.OP3
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
E.CPU
CPU fault
E. 5 to E. 7
E.CTE Operation panel power supply short circuit
E.P24 24 VDC power fault
E.CDO Abnormal output current detection
E.AIE Analog input fault
E.USB USB communication fault
E.SAF Safety circuit fault
E.PBT
Internal circuit fault
E.13
E.OS Overspeed occurrence
E.OSD Speed deviation excess detection
E.ECT Signal loss detection
E.OD Excessive position fault
E.MB1 to
Brake sequence fault
E.MB7
E.EP Encoder phase fault
E.MP Magnetic pole position unknown
E.EF External fault during output operation
E.LCI 4 mA input fault
E.PCH Pre-charge fault
E.PID PID signal fault
E. 1 to E. 3 Option fault
E.11 Opposite rotation deceleration fault
E.EHR Ethernet communication fault
E.0 No fault history
RD Backup in progress
WR Restoration in progress
PROTECTIVE FUNCTIONS
List of fault displays
Name
69
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