Return to Section TOC

Return to Section TOC

Return to Section TOC

Return to Section TOC

Return to Master TOC

Return to Master TOC

Return to Master TOC

Return to Master TOC

F-8

TROUBLESHOOTING & REPAIR

F-8

 

 

 

 

 

 

 

Observe Safety Guidelines

 

 

TROUBLESHOOTING GUIDE

 

detailed in the beginning of this manual.

 

 

 

 

 

 

 

 

 

 

 

 

PROBLEMS

POSSIBLE AREAS OF

RECOMMENDED

 

 

 

(SYMPTOMS)

MISADJUSTMENT(S)

 

COURSE OF ACTION

 

 

 

 

 

 

 

 

 

 

 

LED FUNCTION PROBLEMS

 

 

 

 

 

The Thermal LED is lit after normal 1. One of the machine’s

thermal

1.

Check all connectors and wires

 

use.

protection circuits has

tripped.

 

for loose or faulty connections.

 

 

Do not turn the PRO-CUT 25 off.

 

See Wiring Diagram.

 

 

 

 

Allow the machine to cool. The

2.

The inverter board may

be

 

 

thermal protection circuits will

 

 

 

faulty. Replace.

 

 

 

 

reset themselves.

 

 

 

 

 

 

 

 

 

 

 

 

 

2. Either the duty cycle has been

3. The control board may be faulty.

 

 

 

Replace.

 

 

 

 

exceeded, the fan is not func-

 

 

 

 

 

 

 

 

 

 

 

tioning, or the louvers are

4.

Use the correct extension cord.

 

 

blocked.

 

 

See the instruction manual.

 

 

3.Thermo light comes on when over voltage occurs +/-10% must be with in 10%.

CAUTION

If for any reason you do not understand the test procedures or are unable to perform the test/repairs safely, con- tact the Lincoln Electric Service Department for electrical troubleshooting assistance before you proceed. Call 1-888-935-3877.

PRO-CUT 25

Page 42
Image 42
Lincoln Electric SVM149-A service manual LED Function Problems