Lincoln Electric RED-D-ARC PM 255 Operator's Manual page 29

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Observe all Safety Guidelines detailed throughout this manual
PROBLEMS
(SYMPTOMS)
Gas does not flow when gun trigger
is pulled.
If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact your
LOCAL AUTHORIZED FIELD SERVICE FACILITY for assistance before you proceed.
TROUBLESHOOTING
POSSIBLE AREAS OF
MISADJUSTMENT(S)
GAS FLOW PROBLEMS
1. Make sure gas supply is con-
nected properly and turned "on".
2. If the gas solenoid does actuate
(click) when the gun trigger is
pulled there may be a restriction
in the gas supply line.
3. The gun cable assembly may be
faulty. Check or replace.
4. If gas solenoid does not operate
when gun trigger is pulled the
problem is within the PM 255.
5. Make sure the gun is pushed all
the way into gun mount and is
properly seated.
CAUTION
PM 255
RECOMMENDED
COURSE OF ACTION
If all recommended possible areas
of misadjustment have been
checked and the problem persists,
Contact your local Authorized
Field Service Facility.
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