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GX 271 Chopper
E-4
TROUBLESHOOTING
E-4
Observe all Safety Guidelines detailed throughout this manual
If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact your
Local Lincoln Authorized Field Service Facility for technical troubleshooting assistance before you proceed.
CAUTION
PROBLEMS
(SYMPTOMS)
POSSIBLE AREAS OF
MISADJUSTMENTS(S)
RECOMMENDED
COURSE OF ACTION
No welding power output.
Welder has output but no control.
No auxiliary power.
Wire feeder does not work when
connected to welder 14 pin amphe-
nol.
1. "Welding Terminals" switch in
wrong position.
2. Faulty welding alternator or faulty
PC board.
1. "Local/Remote" switch is in wrong
position.
2. Poor remote kit connection.
3. Faulty remote kit.
4. Faulty control potentiometer or
faulty PC board.
1. Open circuit breakers.
2. Faulty connections to auxiliary
receptacles.
3. GFCI tripped.
4. Faulty welding alternator or faulty
PC board.
1. Wire Feeder Power circuit breaker
open.
2. Faulty wiring in control cable
3. Faulty wire feeder.
1. Place switch in "Always On" position
when welding without welding terminal
control cable. Refer to Operation
chapter for proper switch function.
2. Contact your Local Lincoln Authorized
Field Service Facility for technical
troubleshooting assistance.
1. Place switch in "Control at Welder"
position to control output at welder.
Place switch in "Remote" position to
control output remotely. Refer to
Operation chapter for proper switch
function.
2. Check connections.
3. Replace if necessary.
4. Contact your Local Lincoln Authorized
Field Service Facility for technical
troubleshooting assistance.
1. Reset breakers. If breakers keep trip-
ping, reduce power draw.
2. Check connections.
3. Clear any ground fault and reset GFCI
circuit by pressing "Reset" button on
the 120 V receptacle.
4. Contact your Local Lincoln Authorized
Field Service Facility for technical
troubleshooting assistance.
1. Reset
2. Repair or replace cable
3. Replace with known good one.