Filter
Top Products
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
TROUBLESHOOTING & REPAIR
F-5 F-5
LINCOLN
®
ELECTRIC
IDEALARC DC-400
TROUBLESHOOTING GUIDE Observe Safety Guidelines
detailed in the beginning of this manual.
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.
PROBLEMS
(SYMPTOMS)
POSSIBLE AREAS OF
MISADJUSTMENT(S)
RECOMMENDED
COURSE OF ACTION
OUTPUT PROBLEMS
The machine is dead – no output –
no fan – the pilot light is lit.
1. Check the three-phase input
voltage at the machine. Input
voltage must match the rating
plate and the reconnect panel.
2. Check for blown or missing
fuses in the input lines.
1. Perform the Input Contactor
Test.
2. Check the associated leads, for
loose or faulty connections,
between the input contactor
(CR1), the reconnect panel and
the main transformer. See
Wiring Diagram.
3. Perform the Main Transformer
Test.