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-6

TROUBLESHOOTING AND REPAIR

F-6

 

 

 

 

 

 

 

Observe Safety Guidelines detailed in the beginning of this manual.

 

 

 

 

 

 

 

 

 

PROBLEMS

 

POSSIBLE AREAS OF

RECOMMENDED

 

 

(SYMPTOMS)

 

MISADJUSTMENT(S)

COURSE OF ACTION

 

 

 

 

 

 

 

 

 

 

OUTPUT PROBLEMS

 

 

No AC welding output. DC welding

1.

Make sure the Polarity Switch is

1. Check the operation of the

output and auxiliary power is nor-

 

in the proper position and is

Polarity Switch (S2). Also check

mal.

 

 

“seated” correctly.

the associated wires for loose or

 

 

2.

Make sure the electrode is cor-

faulty connections. See Wiring

 

 

Diagram.

 

 

 

 

rect for the process being used.

 

 

 

 

2. Check for continuity from lead

 

 

3. Make sure the welding cables are

 

 

 

not coiled or too long.

“S2” to lead “E” located in the

 

 

 

main stator. See Wiring Dia -

 

 

 

 

 

 

 

 

gram.

 

 

 

 

 

No constant voltage (CV) welding

1.

Make sure the Range Switch

1. Check the operation of the

output. Constant current (CC) and

 

(S1) is in the proper position (CV)

Range Switch (S1) and check

the auxiliary power are operating

 

and “seated” correctly.

the associated wires for loose or

normally.

 

2. Make sure the wire feeder is con-

faulty connections. See Wiring

 

 

Diagram.

 

 

 

 

nected correctly.

 

 

 

 

 

 

 

 

 

 

2. Check for continuity from lead

 

 

 

 

C1 to lead W1 located in the

 

 

 

 

main stator. See Wiring Dia-

 

 

 

 

gram.

 

 

 

 

 

 

 

CAUTION

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

RANGER® 3 PHASE

Page 44
Image 44
Lincoln Electric SVM207-A service manual Gram