
70
Fault
code
Display
code
Fault description
Possible reasons
Actions
F.rE
1
Reserved
Reserved
Reserved
F.rE
2
Reserved Reserved
Reserved
F.CP
y
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.oH
3
Reserved Reserved
Reserved
F.Lo
F
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.oL
L
Reserved Reserved
Reserved
F. ot
Reserved Reserved
Reserved
F.bE
Reserved Reserved
Reserved