Northern Industrial Welding
13
Operating Instructions and Parts Manual
ST80i
Electrode Holder’s
capacity is too small;
Replace with a higher
Amperage Holder
Cable is of small size
Replace it with another
one in conformity with the
requirement
Socket loosen
5
Electrode
Holder and
Cable
getting
hot;“+” “-”
polar
sockets
becoming
hot
High resistance between
the electrode holder and
the cable
Remove the oxide coating
and tighten it
Resume power over a
long period of time
(more than two days)
Not a failure. Trip caused
by the main power filter’s
capacity charging. Switch
on the main power
source.
6
Power
source
tripping
In the process of welding
Contact us
7
Others
Contact
us
Summary of Contents for ST 80 i
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