WARPP INARC-400 I, Руководство пользователя

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11. Trouble Shooting 11. Trouble Shooting
S.NO. Trouble Probable Cause Remedy
1 MCB is on but welding
is not starting
1) Check for 3 phase
supply
2) MCB faulty
3) Control PCB faulty
4) Drive PCB faulty
1) Check and
ensure
2) Check & replace
3) Check & replace
4) Check & replace
2 MCB provided on the
rear panel is tripping
when it is being
switched on
1) MCB faulty
2) Three phase bridge faulty
3) IGBT may faulty
1) Check and
replace
2) Check &
replace
3) Check &
replace
3 Fluctuation in
welding current 1) One Phase missing
2) Panel/Remote switch faulty
3) Main PCB faulty
4) Drive PCB faulty
5) POT of welding current
faulty
1) Check and
ensure
2) Check &
replace
3) Check &
replce
4) Check &
replace
5) Check &
replace
4 Welding current is not
adjustable.
1) POT of welding current faulty
2) Main PCB faulty
3) Panel/Remote switch faulty
1) Check and replace
2) Check & replace
3) Check & replace
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