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E-3
TROUBLESHOOTING
E-3
TOMAHAWK™ 625
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
CAUSE
RECOMMENDED
COURSE OF ACTION
The TOMAHAWK™ 625 powers up
properly but there is no response
when the trigger is pulled and only
the POWER LED is lit.
1. Turn the output knob to purge
zone on the front of the TOMA-
HAWK™ 625. If air does not flow,
then:
• The main gas solenoid assem-
bly/pressure sensor may be
faulty. Check or replace.
• Possible faulty Control board.
2. Remove the handles (or barrel) of
the torch and examine all the con-
nections.
3. Check for proper trigger switch
operation. Replace the trigger
switch or torch cable if defective.
4. Possible faulty Inverter Board.
5. Possible faulty Control board.
If all recommended possible areas of
misadjustment have been checked
and the problem persists, Contact
your local Lincoln Authorized
Field Service Facility.