Filter
Top Products
F-4F-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