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

No auxiliary power at receptacles –
welding output is normal – engine
runs normally.

1. If the machine is equipped with

circuit breakers, check circuit
breakers. Reset if tripped.

2. Make sure the output control

(R1) is set at the maximum
position.

3. Check for loose or faulty plug(s)

at the power receptacles.

Check the auxiliary power
receptacles and associated
wires for loose or faulty con-
nections.

2. Perform the Auxiliary and

Field Winding Voltage Test.