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connections for
remote
Amperage
control
potentiometer
Gas shield inadequate
Increase post
flowime, check
nozzle
Gas not pure
Check if there is
water in torch
and
repair.Check
and tight all gas
fitting
7
Tungsten electrode
oxidizing( not bright) after
welding
Gas pressure inadequate
Increase gas
pressure
Rectifier short circuit
Check and
replace
Main transformer short circuit
Check and
replace
Control transformer short
circuit
Check and
replace
Solenoid valve short circuit
Check and
replace
8
Line disconnect switch jump
Cooling fan short circuit
Check and
replace