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F-18

F-18

 

TROUBLESHOOTING & REPAIR

 

 

TROUBLESHOOTING GUIDE

Observe Safety Guidelines

 

 

detailed in the beginning of this manual.

PROBLEMS

POSSIBLE AREAS OF

RECOMMENDED

 

(SYMPTOMS)

MISADJUSTMENT(S)

COURSE OF ACTION

 

 

 

 

 

 

 

 

FUNCTION PROBLEMS

 

 

 

 

The CV output contactor does not

1. Make sure the wire feeder is

1.

Check the Wire Feeder switch

pull in when the wire feeder switch

connected correctly to the

 

(S8) and associated leads. See

(S8) is in the NO CONTROL CABLE

RANGER 10-LX.

 

Wiring Diagram.

 

 

position.

 

2.

Check for loose or faulty con-

 

 

 

 

 

nections on leads #224F, #2C,

 

 

 

#2D, #244, and

#243.

Also

 

 

 

check the sensing leads #240

 

 

 

and #242.

 

 

 

 

3.

Check the Idler switch (S5) and

 

 

 

associated leads.

See Wiring

 

 

 

Diagram.

 

 

 

 

4.

The control board may be

 

 

 

faulty.

 

 

 

 

 

 

The CV output contactor does not

1. Make certain the Wire Feeder

1.

Check to make sure that lead

deactivate (drop out) when a wire

switch (S8) is in the “WITH

 

#2C is not grounded.

See

feeder with a control cable is con-

CONTROL CABLE” position.

 

Wiring Diagram.

 

 

nected to the RANGER 10-LX.

2. The Wire Feeder control cable

2.

Remove lead #224F from the

 

 

may be faulty. Check or

 

CV output contactor. If the con-

 

replace.

 

tactor does not deactivate, the

 

3. The wire feeder may be faulty.

 

contactor may be faulty. Repair

 

 

or replace.

 

 

 

Check or replace.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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 216-383-2531 or 1-800-833-9353.

RANGER 10-LX

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Lincoln Electric SVM120-A service manual Ranger 10-LX