Veichi AC80T Manual page 41

Over current diagnoses process
Clear short circuit
Reduce load or
enhance power
Can be reduced?
Reduce the value
May fault or misaction
caused by noise.Please
find technic support
Prolong setting time
Accelerate over
curent E.0C1
yes
no
yes
no
no
Whether torque
enhance value is too
yes
yes
Is acceleration time
set too short?
no
yes
yes
Set longer acceleration
time or not?
no
Reduce load change
or improve power
AC80T Tower Crane Purpose VFD Manual
Decelerate over
curent E.0C2
Whether short circuit between output terminal
U/V/W and motor or earth circuit
no
Whether load is too large
no
Is deceleration
time set too short?
no
yes
Whether set longer
decelerationtime
yes
no
Check braking mode
and seek for technic support
40
Constant speed
over curent E.0C3
no
no
no
Whether load
changes suddently
yes
Reduce load change
or improve power