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-11

TROUBLESHOOTING & REPAIR

F-11

 

 

 

TROUBLESHOOTING GUIDE

 

Observe Safety Guidelines

 

 

detailed in the beginning of this manual.

PROBLEMS

 

POSSIBLE AREAS OF

RECOMMENDED

 

(SYMPTOMS)

 

MISADJUSTMENT(S)

COURSE OF ACTION

 

 

 

 

 

 

 

ENGINE PROBLEMS

 

 

Engine will not go to high idle when

1. Make sure the welding cables

1. Check for broken or faulty con-

attempting to weld.

Welding out-

and connections are tight.

nections in the sensing leads

put is normal when Idler Switch is

 

(#254 and #254A).

Make sure

in “HIGH” position. Automatic idle

 

their connections are tight at

function works properly when the

 

the Electrode Output Terminal

auxiliary power is loaded.

 

and also at the Polarity Switch.

 

 

 

See Wiring Diagram.

 

 

 

2. Make sure the leads are looped

 

 

 

three times through the current

 

 

 

sensor on the Printed Circuit

 

 

 

Board.

 

 

 

 

Engine will not go to high idle when

1. Make sure the welding cables

1. Check for broken or faulty con-

attempting to weld or when the

and connections are tight.

nections in the sensing leads.

auxiliary power is loaded. Welding

2. Automatic idler may not func-

(#254 and #254A).

Make sure

output and auxiliary power output

their connections

are tight at

tion if the auxiliary power is

is normal when Idler Switch is in

the Electrode Terminal and also

loaded to less than 150 Watts.

the “HIGH” position.

 

at the Polarity Switch. See

 

 

 

 

 

Wiring Diagram.

 

 

 

 

2. Check lead #3, making sure it is

 

 

 

looped through the current sen-

 

 

 

sor on the Printed Circuit Board.

 

 

 

3. The Printed Circuit Board may

 

 

 

be faulty. 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 1-888-935-3877.

RANGER® 10,000 & RANGER® 10,000 PLUS

Page 51
Image 51
Lincoln Electric SVM168-B service manual Make sure the leads are looped