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Troubleshooting

SYMPTOM POSSIBLE CAUSE SUGGESTED ACTION

Stud does not weld;
Weld area cold
No power to line cord1.
Stud Welder circuit breaker open2.
Not making contact to metal surface 3.
with Electrode Assy.
Check power source1.
Press Circuit Breaker Reset button2.
Press harder on the Stud Welder; 3.
Clean metal area better.
Weld time is longer
than one second
Electrode or Stud dirty1.
Weld surface not cleaned to the metal2.
Clean or replace both1.
Clean surface again2.
Weak weld, stud
does not hold
“On Time” not long enough1.
Electrode or Stud dirty2.
Weld surface not cleaned down to 3.
bare metal
Hold trigger longer1.
Clean of replace both2.
Clean surface to metal3.
Circuit breaker
continues to trip
Circuit rating not large enough1.
Electrical fault in Welder2.
Connect to 20 A dedicated circuit1.
Have qualified technician service 2.
welder
Weld is burning
through the metal
Weld time is too long1.
Using incorrect stud2.
Dirty electrode3.
Shorten weld time1.
Replace stud with correct size2.
Clean electrode3.
Maintenance

Warning: Always unplug the line cord from the electrical outlet before performing any

maintenance. Repairs should only be performed by a qualified technician.

Periodically inspect line cord for cracks. Replace if necessary.1.

Clean the unit using a damp cloth. Never use solvents.2.

Keep the electrode assembly free of oxidation by cleaning with fine steel wool. 3.

If necessary, use a fine metal file to keep the electrode flat and clean.4.

REV 07e