Forney 220 ST Manuel D'utilisation page 14

PROBLEM
No no-load voltage
Electrode Holder and
Cable getting hot; "+" "-"
polarity sockets becoming
hot
Power source tripping
Others
14
POSSIBLE CAUSE
Over voltage, under voltage or
scarcity of phase
Welder getting overheated
Switch broken
Electrode holder's capacity is too small
Cable is too small
Socket loosen
Increased resistance between the
electrode holder and the cable
Resume power over a long period
of time (more than two days)
In the process of welding
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POSSIBLE SOLUTION
See "Yellow Indicator is on"
Replace the switch
Replace it with a bigger capacity one
Replace it with another one in
conformity with the requirement
Remove the oxide skin and tighten it
Trip caused by the main power
filter's capacity charging. Switch on
the main power source.
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