Adtech iMASTER – A1 Series - Iolt (VFD Overload)

A1-User’s Manual
１８３
9.2.5 IoLt (VFD Overload)
1) Diagnostic flowchart
Output Current is more
than VFD rated Current?
IoLt Occurred at VFD
Start
END
YES
NO
IoLt
Measure VFD
Output Current
Replace POWER
PCB or SMPS
PCB
Reduce 98.08
by 0.1 MIN 0
Make decrease the load
or increase motor and
inverter capacity.
NO
YES
Read current value of trip history (03.01~03.72)
If using oscilloscope or clamp(hook) meter, read RMS current value
Increase 98.08
by 0.1 MAX 10
or 98.01 =2
with
Auto-tuning
Is the no-load
condition?
NO
IoLt Occurred at VFD
Acceleration
YES
Increase 23.04
by 10sec MAX
300
NO
YES