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TROUBLESHOOTING & REPAIR
F-6 F-6
RANGER 8
Observe Safety Guidelines
TROUBLESHOOTING GUIDE
detailed in the beginning of this manual.
CAUTION
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
1-800-833-9353 (WELD).
PROBLEMS
(SYMPTOMS)
POSSIBLE AREAS OF
MISADJUSTMENT(S)
RECOMMENDED
COURSE OF ACTION
OUTPUT PROBLEMS
No auxiliary power, welding output
is normal. Engine runs normally.
1. If machine is equipped with cir-
cuit breakers, check circuit
breakers CB1 thru CB5. 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 receptacle(s).
1. Check the auxiliary power
receptacles and associated
wires for loose or faulty connec-
tions.
2. Perform the Auxiliary and Field
Winding Voltage Test.
3. If machine is equipped with cir-
cuit breakers, check for faulty
breakers and loose or faulty
connections on associated
wiring.