Troubleshooting - Lincoln Electric COOLARC 46 Operator's Manual

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.
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.
Cooler does not
operate.
Internal water leak.
Leak at inlet/outlet
connector block.
Torch or gun runs hot.
Fan operates but there
is low coolant flow.
Fan operates but there
is no coolant flow.
Pump operates, but
fan does not.
Cooler trips outlet
circuit breaker.
English

Power lead unplugged.

No power at outlet.

Power lead is damaged.

Water lines blocked or crimped.

Leak in gun or water hoses.

Reservoir empty.

Hose clamp loose on one of internal
hoses.

Internal hose punctured.

Heat exchanger leaking.

Hose clamp loose.

Unit placed by area of extreme heat.

Low coolant flow.

No coolant flow.

Fan not operating.

Leak in torch/gun or hoses.

Torch/gun or hoses partially obstructed.

Reservoir empty or very low.

Pump failure.

Pump seized.

Fan blade contacting heat exchanger.

Fan motor failure.

Circuit overloaded.

Cooler electrical component failure.
WARNING

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.

Tighten or replace hose clamp.

Replace punctured hose with new hose.

Replace heat exchanger.

Tighten hose clamp onto hose.

Move unit away from hot air.

See Low Coolant Flow Section.

See No Coolant Flow Section.

Reference fan section.

Repair leak.

Clear obstruction.

Refill reservoir.

Replace pump.

Replace pump.

Replace fan.

Replace fan.

Check outlet circuit breaker.

Replace suppressor assembly and rectifier
inside of cooler.
6 English