Symptoms, Troubleshooting & repair, Caution – Lincoln Electric PRECISION TIG 275 SVM162-B User Manual

Page 50

Advertising
background image

F-4

F-4

PRECISION TIG 275

TROUBLESHOOTING & REPAIR

Observe Safety Guidelines

TROUBLESHOOTING GUIDE

detailed in the beginning of this manual.

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.

PROBLEMS

(SYMPTOMS)

POSSIBLE AREAS OF

MISADJUSTMENT(S)

RECOMMENDED

COURSE OF ACTION

OUTPUT PROBLEMS

The machine is dead. No weld out-

put – no 115 VAC at the receptacle.

1. Check the input voltage. The

input voltage must match the rat-

ing plate and the voltage con-

nection. Refer to

Reconnect

Procedure

in the Installation

section of this manual.

2. Make sure that the input power

switch is in the “ON” position.

3. Check for blown or missing

fuses in the input lines.

4. Check circuit breaker CB1.

Reset if necessary.

1. Check the input power switch,

reconnect panel and associated

wires for loose or faulty connec-

tions.

2. The input power switch may be

faulty.

3. Perform the

T1 Transformer

Test.

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

CAUTION

Advertising