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Observe all Safety Guidelines detailed throughout this manual
If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact your
#@42=#:?4@=?FE9@C:K65:6=5*6CG:4624:=:EJ for technical troubleshooting assistance before you proceed.
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Machine fails to hold the output
(heat) consistently.
Welder starts but fails to generate
current.
Welding arc is loud and spatters
excessively.
Welding current too great or too
small compared to indication on
the dial.
Arc continuously pops out.
1. Rough or dirty commutator.
2. Brushes may be worn down to
Limit.
3. Field circuit may have variable
resistance connection or inter-
mittent open circuit due to
loose connection or broken
wire.
4. Electrode lead or work lead
connection may be poor.
5. Wrong grade of brushes may
have been installed on gener-
ator.
6. Field rheostat may be making
poor contact and overheating.
1. Generator or exciter brushes
may be loose or missing.
2. Exciter may not be operating.
3. Field circuit of generator or
exciter may be open.
4. Exciter may have lost excita-
tion.
5. Series field and armature cir-
cuit may be open-circuited.
1. Current setting may be too
high.
2. Polarity may be wrong.
1. Exciter output low causing low
output compared to dial indica-
tion.
2. Operating speed too low or too
high.
1. “Current Range Selector”
switch may be set at an inter-
mediate position.
If all recommended possible areas
of misadjustment have been
checked and the problem persists,
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