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F-10

 

F-10

 

TROUBLESHOOTING & REPAIR

 

 

Observe Safety Guidelines

 

TROUBLESHOOTING GUIDE

 

detailed in the beginning of this manual.

 

 

 

 

 

 

 

PROBLEMS

POSSIBLE AREAS OF

RECOMMENDED

 

(SYMPTOMS)

MISADJUSTMENT(S)

COURSE OF ACTION

 

 

 

 

 

 

 

FUNCTION PROBLEMS

 

 

 

The optional digital meter is not

1. Make certain plugs P12 and

1. Check feedback leads #222,

 

working properly and/or the dis-

P13 are securely plugged into

#210, #201 and #202 for loose

 

play is erratic.

the digital meter PC board.

or faulty connections. See the

 

 

Also make sure plug P3 is

Wiring Diagram.

 

 

securely plugged into the con-

2. The optional digital meter PC

 

 

trol board.

 

 

board may be faulty.

 

 

 

 

 

 

 

 

The analog meters are not reading

1. Make sure plug P3 is securely

1. Check feedback leads #222,

 

correctly.

plugged into the control board

#210, #201 and #202 for loose

 

 

and plug J14 is securely seated

or faulty connections. See the

 

 

in the plug assembly from the

Wiring Diagram.

 

 

control board.

2. The meter(s) may be defective.

 

 

 

 

 

 

 

 

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 1-800-833-9353.

IDEALARC DC-655

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Lincoln Electric DC-655 service manual Troubleshooting & Repair