Lincoln Electric Cool Arc 22 Operator's Manual page 15

COOL ARC ® 22
PROBLEM
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.
Weld output disabled
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
Power lead unplugged.
No power at outlet.
Power lead is damaged.
Water lines blocked or crimped.
Leak in gun or water hoses.
Reservoir empty.
Internal quick connector loose.
Internal hose punctured.
Heat exchanger leaking.
Hose clamp loose.
Fan not operating.
Leak in torch/gun or hoses.
Torch/gun or hoses partially obstructed.
Reservoir empty or very low.
Pump failure.
Pump seized.
2A Fuse opened
Fan motor failure.
Low or no coolant flow.
Faulty flow sensor.
RECOMMENDED COURSE OF ACTION
Plug in power lead.
Check power supply output.
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.
Insert tube correctly in quick connector clamp.
Replace punctured hose with new hose.
Replace heat exchanger.
Tighten hose clamp onto hose.
Reference fan section.
Repair leak.
Clear obstruction.
Refill reservoir.
Replace pump.
Replace pump.
Replace 2A fuse
Replace fan.
Fill reservoir.
Replace flow sensor.
E-2
TROUBLESHOOTING