Prowinch PWA - Transformer

Version 1.0 Version 1.0
Troubleshooting
40
40
Condion Reason Acon Cause Correcon
No operaon
(contractor)
Coil burning, break
Measure coil resistance value;
Change transformer if value innite
Excessive voltage Operate under rated voltage
Avoid over-operaon
Excessive current caused by
contactor
Refer to contactor items
Vibraon, drop
Avoid excessive bumping in
usage
Wire break
Check leading wire, repair or
change transformer if wire
Vibraon, drop
Avoid excessive bumping in
usage
Transformer
Contactor & Electric Reply
Condion Reason Acon Cause Correcon
Non-stop acvaon
Juncon welding
burn out
Change contactor if connuous
welding or burn out. For electric
reply, visual inspecon of juncon
Do not over-operate
Excessive voltage (Excessive
current)
Operate under rated voltage
Excessive current due to
overload
Operaon under rated voltage
No operaon
Coil burning
Measure coil resistance value.
Change coil if value innite.
Avoid over-operaon
Excessive voltage Operate under rated voltage
Vibraon due to low voltage
(Starng current added
connuous)
Operate under rated voltage
Replace contactor if acon is not
smooth. For electric reply, visual
inspecon for part breakage
Vibraon, drop
Avoid excessive bumping in
usage