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Troubleshooting, Troubleshooting guide, Caution – Lincoln Electric IM796 HANDY MIG 170i User Manual

Page 28

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TROUBLESHOOTING

Observe Safety Guidelines

detailed in the beginning of this manual.

TROUBLESHOOTING GUIDE

PROBLEMS
(SYMPTOMS)

Major physical or electrical damage
is evident.

No wire feed, weld output or gas
flow when gun trigger is pulled. Fan
does NOT operate.

No wire feed, weld output or gas
flow when gun trigger is pulled Fan
operates normally.

POSSIBLE
CAUSE

None
Contact your local Authorized Field
Service Facility.

1. Make sure correct voltage is

applied to the machine. See
Installation section,

Electrical

Connections

.

2. Make certain that power switch

is in the ON position.

3. Make sure circuit breaker is

reset.

1. The thermostat may be tripped

due to overheating. Let machine
cool. Weld at lower duty cycle.

2. Check for obstructions in air

flow.

3. Check Gun Trigger connections.

See Installation section.

4. Gun trigger may be faulty.

RECOMMENDED
COURSE OF ACTION

If all recommended possible areas
of misadjustments have been
checked and the problem persists,

contact your local Liquid Arc
Authorized Field Service Facility.

OUTPUT PROBLEMS

If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact your

LOCAL AUTHORIZED

LIQUID ARC

FIELD SERVICE FACILITY

for assistance before you proceed.

CAUTION

Handymig 170i