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62
Fault
code
Display
code
Fault description
Possible reasons
Actions
F.Con
.
Reserved
Reserved
Reserved
F.Ct
.
Current detection
circuit is faulty
Wires or connectors of
control board are loose
Check and re-wire
Auxiliary power supply is
damaged
Seek service
Current detection circuit fault Seek service
F.CPU
.
System
disturbance
Severe disturbance from
outside
Press STOP/RESET to
reset or install power filter
at the input side of the
inverter.
DSP control board read and
write error
Press STOP/RESET to
reset
Seek service
F.rE1
.
Reserved
Reserved
Reserved
F.rE2
.
Reserved
Reserved
Reserved
F.CPy
.
Reserved
Reserved
Reserved
F.tU
.
Self-Tuning fault
Input motor parameters
wrong
Re-input motor parameter
according to the nameplate
Tuning overtime
Check motor cables and
limit it within 100m.
F.oH3
.
Reserved
Reserved
Reserved
F.LoF
.
PID feedback
break line
Abnormal PID feedback
siganal
Modify F7.29
Alarm parameters setting
inproperly
Check if PID wiring and
feedback signal is normal
F.oLL
.
Reserved
Reserved
Reserved
F. ot
.
Reserved
Reserved
Reserved
F.bE
.
Reserved
Reserved
Reserved