Faults history and the list of fault displays
PROTECTIVE FUNCTIONS
85
4
4.3 Faults history and the list of fault displays
For details, refer to the FR-F800 Instruction Manual (Detailed).
If faults other than the above appear, contact your sales
representative.
Operation
panel
indication
Name
Error message
LOCD Password locked
Er1 to Er4
Er8
Parameter write error
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
MT1 to
MT3
Maintenance signal output
CF Continuous operation during communication fault
SA Safety stop
UF USB host error
ED Emergency drive in operation
LDF Load fault warning
EHR Ethernet communication fault
Alarm
FN Fan alarm
FN2 Internal-circulation 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 Heat sink 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 Communication option fault
E. 1 to E. 3 Option fault
E.PE
Parameter storage device fault (control circuit
board)
E.PUE PU disconnection
E.RET Retry count excess
E.PE2 Parameter storage device fault (main circuit board)
E.PE6 Internal storage device fault
E. 5 to E. 7
E.CPU
CPU fault
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
Fault
E.OS Overspeed occurrence
E.BE Brake transistor alarm detection
E.USB USB communication fault
E.13
E.PBT
Internal circuit fault
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
Operation
panel
indication
Name