If for any reason you do not understand the test procedures or are unable to perform the test/repairs safely, con-
tact the Lincoln Electric Service Department for electrical troubleshooting assistance before you proceed. Call
216-383-2531 or 1-800-833-9353.

PROBLEMS
(SYMPTOMS)

POSSIBLE AREAS OF
MISADJUSTMENT(S)

RECOMMENDED
COURSE OF ACTION

OUTPUT PROBLEMS

The machine is dead – no output –
no fan – the pilot light is lit.

1. Check the three-phase input

voltage at the machine. Input
voltage must match the rating
plate and the reconnect panel.

2. Check for blown or missing

fuses in the input lines.

1. Perform the Input Contactor

Test.

2. Check the associated leads, for