Lincoln Electric Tomahawk 1000 Operator's Manual page 28

TOMAHAWK ® 1000
PROBLEMS
(SYMPTOMS)
Input circuit breaker trips repeatedly.
No Status indicators light and the fan
does not operate 5 seconds after the
power switch is turned on.
No Status indicators light 5 seconds
after the power switch is turned on, but
the fan operates.
The Thermal LED does not go out.
®
The Tomahawk 1000 powers up
properly but there is no response when
the trigger is pulled and only the POWER
LED is lit.
When the trigger is pulled air begins to
flow, but there is no pilot arc after at
least 3 seconds.
The air begins to flow and there is a
very brief arc that snaps out consistently
with repeated trigger pulls.
If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact your
Lincoln Authorized Service Facility for technical troubleshooting assistance before you proceed.
WWW.LINCOLNELECTRIC.COM/LOCATOR
POSSIBLE
CAUSE
1. Check that the circuit breakers did not trip.
2. Install a larger input circuit or turn the output
control to a lower amperage.
1. Check the input power to be sure it is on.
2. Check the power line fuses or breakers and
machine connection.
3. Disconnect input power at fuse/breaker
panel and check line switch continuity.
Replace line switch if bad.
1. Possible faulty Control Board.
1. Possible faulty Control board.
1. Turn the output knob to purge zone on the
front of the Tomahawk ® 1000 . If air does
not flow, then:
• The main gas solenoid assembly/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 connections.
3. Check for proper trigger switch operation.
Replace the trigger switch or torch cable if
defective.
4. Possible faulty Control board.
1. Check the torch consumables to be sure they
are not dirty or greasy, and are in good
shape. Replace the consumables if
necessary.
2. Make sure the air pressure is set correctly.
3. Make sure there are no kinks or restrictions
for air flow in the torch cable. Replace cable
as needed.
4. If a slight thump cannot be felt in the torch
when the trigger is pulled, check for loose
connection in the torch head.
5. Possible faulty Control board.
1. Check the torch consumables to be sure they
are in tight, not dirty or greasy and in good
shape. Replace if necessary.
2. Make sure the air pressure is set correctly.
3. Possible faulty in Control board.
E-2
TROUBLESHOOTING
RECOMMENDED
COURSE OF ACTION
If all recommended possible areas of
misadjustment have been checked and the
problem persists, Contact your local Lincoln
Authorized Field Service Facility.