Lincoln Electric COOL ARC IM911 - Manual (Page 20)

E-2 TROUBLESHOOTING E-2
COOL ARC® 40
Observe all Safety Guidelines detailed throughout this manual
If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact your
Local Lincoln Authorized Field Service Facility for technical troubleshooting assistance before you proceed.
CAUTION
PROBLEMS
(SYMPTOMS)
POSSIBLE
CAUSE
RECOMMENDED
COURSE OF ACTION
Cooler does not operate with power
switch "ON".
(Switch pushed to "I" position.)
Internal water leak.
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.
Cooler trips outlet circuit breaker.
1. Input cord unplugged.
2. Power switch faulty
3. Power harness damaged.
4. Water lines blocked or crimped.
5. Leak in gun or water hoses.
6. Coolant reservoir empty.
7. The system needs to be primed
1. Hose clamp loose on one of inter-
nal hoses.
2. Internal hose punctured.
3. Heat exchanger leaking.
4. Pump seal is leaking
1. Unit placed by area of extreme
heat.
2. Low coolant flow.
3. No coolant flow.
4. Fan not operating.
5. Heat exchanger clogged.
1. Leak in torch/gun or hoses.
2. Torch/gun or hoses partially
obstructed.
3. Reservoir empty or very low.
4. Pump strainer is dirty.
1. Pump or pump motor failure.
2. Pump strainer is blocked.
1. Loose or disconnected fan lead.
2. Obstruction in fan blade.
3. Fan motor failure.
1. Circuit overloaded.
2. Fan or pump motor failure.
If all recommended possible areas of
misadjustment have been checked
and the problem persists, Contact
your local Lincoln Authorized
Field Service Facility.