Lincoln Electric COOL ARC 50 Manuel D'utilisation page 13

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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.
If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact your
local Authorized Field Service Facility for technical troubleshooting assistance before you proceed.
Cooler stops after few
seconds.
Cooler
does
not
operate.
Internal water leak.
Leak
at
inlet/outlet
connector block.
Torch 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
The Flow Sensor took effect.
Water system has not yet been filled
(especially for long interconnection cables).
Blown fuses.
Cord unplugged.
No power at outlet.
Cordset 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
Repair leak.
Fill the entire water system (interconnection
cable, feeder, torch) by pressing and
holding the torch button and "Flow Sensor
OFF" button.
Replace fuses.
Plug in cord.
Check outlet circuit breaker.
Repair damaged cord or order new cordset.
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 FlowSection.
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 component inside of cooler.
9
English

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