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Troubleshooting
This Troubleshooting Guide is designed to be used by the machine Owner/Operator. Unauthorized repairs performed on
this equipment may result in danger to the technician and machine operator and will invalidate your factory warranty. For
your safety, please observe all safety notes and precautions detailed in the Safety Section of this manual to avoid electrical
shock or danger while troubleshooting this equipment.
WARNING
If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact the
nearest authorized Technical Service Center or Lincoln Electric for technical troubleshooting assistance before you proceed.
LOCATE PROBLEM
(SYMPTOM).
POSSIBLE CAUSE
RECOMMENDED COURSE OF ACTION
Cooler does not
operate
Power
lead
unplugged.
No power at outlet.
Power lead is damaged.
Water lines blocked or crimped.
Leak in gun or water hoses.
Reservoir
empty.
Blown
fuse.
Plug in power lead.
Check outlet circuit breaker.
Repair damaged lead or order new lead
set.
Clear blockage in hose. Avoid kinking or
putting sharp bends in water lines.
Repair
leak.
Fill
reservoir.
Replace
fuse.
Internal water leak
Hose clamp loose on one of internal
hoses.
Internal hose punctured.
Heat exchanger leaking.
Tighten or replace hose clamp.
Replace punctured hose with new hose.
Replace heat exchanger.
Leak at inlet/outlet
connector block
Hose clamp loose.
Tighten hose clamp onto hose.
Torch or gun runs hot
Unit placed by area of extreme heat.
Fan not operating.
Move unit away from hot air.
Reference
fan
section.
Fan operates but there
is low coolant flow
Leak in torch/gun or hoses.
Torch/gun or hoses partially obstructed.
Reservoir empty or very low.
Repair
leak.
Clear
obstruction.
Refill
reservoir.
Fan operates but there
is no coolant flow
Pump
failure.
Pump
seized.
Replace
pump.
Replace
pump.
Pump operates, but
fan does not
Fan blade contacting heat exchanger.
Fan motor failure.
Replace
fan.
Replace
fan.
Cooler trips outlet
circuit breaker
Circuit
overloaded.
Cooler electrical component failure.
Check outlet circuit breaker in the power
source
Replace electrical component.
Weld output disabled
Low or no coolant flow.
Faulty flow sensor.
Fill
reservoir.
Replace flow sensor.