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E-4
TROUBLESHOOTING
E-4
COMMANDER 300
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
OUTPUT PROBLEMS
PROBLEMS
(SYMPTOMS)
POSSIBLE AREAS OF
MISADJUSTMENT(S)
RECOMMENDED
COURSE OF ACTION
No welding power output.
Welder has output and no control.
No auxiliary power.
1. Welding terminals switch in wrong
position. Place switch in “WELD
TERMINALS” position when weld-
ing without welding terminal con-
trol cable. Refer to Operation
chapter for proper switch function.
1. Poor remote kit connection.
Check connections.
2. Faulty remote kit. Replace if nec-
essary.
1. Open circuit breakers. Reset
breakers. If breakers keep trip-
ping check connections to auxil-
iary receptacles. Also make sure
load does not exceed receptacles
current rating. Refer to Auxiliary
Connections in the Installation
and Operation chapters.
2. Faulty connections to auxiliary
receptacles. Check connections.
3. Faulty auxiliary circuit wiring.
I
f all recommended possible areas of
misadjustment have been checked
and the problem persists, Contact
your local Lincoln Authorized
Field Service Facility.