Specifications

24
TROUBLESHOOTING
List of fault displays
7.2 List of fault displays
Operation panel indication Name
Error message
E- - - -Faults history
HOLDOperation panel lock
LOCDPassword 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)
RB Regenerative brake pre-alarm
TH
Electronic thermal relay function
pre-alarm
PS PU stop
MT1 to MT3Maintenance signal output
CP Parameter copy
SL Speed limit indication
SA Safety stop
UF USB host error
EV
24 V external power supply
operation
HP1
Home position return setting
error
HP2
Home position return
uncompleted
HP3
Home position return parameter
setting error
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.FINHeatsink overheat
E.IPFInstantaneous power failure
E.UVTUndervoltage
E.ILFInput phase loss
±
±
±
±
Fault
E.OLTStall prevention stop
E.GF
Output side earth (ground) fault
overcurrent
E. SOTLoss of synchronism detection
E.LFOutput phase loss
E.OHTExternal thermal relay operation
E.PTCPTC thermistor operation
E.OPTOption fault
E.OP1Communication option fault
E. 1 to E. 3Option fault
E.PEParameter storage device fault
E.PUEPU disconnection
E.RETRetry count excess
E.PE2Parameter storage device fault
to
E. 5 to E. 7
E.CPU
CPU fault
E.CTE
Operation panel power supply
short circuit
RS-485 terminals power supply
short circuit
E.P2424 VDC power fault
E.CDO
Abnormal output current
detection
E.IOHInrush current limit circuit fault
E.SERCommunication fault (inverter)
E.AIEAnalog input fault
E.OSOverspeed occurrence
E.OSD
Speed deviation excess
detection
E.ECTSignal loss detection
E.ODExcessive position fault
E.MB1 to
E.MB7
Brake sequence fault
E.EPEncoder phase fault
E. BEBrake transistor alarm detection
E. USBUSB communication fault
E.11
Opposite rotation deceleration
fault
E.13
E.PBT
Internal circuit fault
E.SAFSafety circuit fault
E.LCI4 mA input fault
E.PCHPre-charge fault
E.PIDPID signal fault
to
E.16 to E.20
User definition error by the PLC
function
Operation panel indication Name
±
±