Lincoln Electric CV ADAPTER IM309-D - Manual (Page 29)

D-3 TROUBLESHOOTING D-3
CV ADAPTER
Observe all Safety Guidelines detailed throughout this manual
If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact your Local
Lincoln Authorized Field Service Facility for technical troubleshooting assistance before you proceed.
CAUTION
FUNCTION PROBLEMS
PROBLEMS
(SYMPTOMS)
RECOMMENDED
COURSE OF ACTION
4. No output control when welding
“STICK”.
5. Poor arc characteristics
6. Welder does not stay a high
speed while welding.
A. Lower CV Adapter mode switch in wrong position.
B. Defective lower CV Adapter mode switch — replace 3PDT toggle switch (Sl).
C. For units with remote control, Remote Control Switch set in the wrong
position.
A. Mode switch in wrong position.
B. Output connected to wrong output terminal.
C. In CV mode — standard current control or range selector in wrong
position. See operating manual.
D. Check bank of capacitors in CV Adapter control box. A failure is indi-
cated if the small vent plug on top of a capacitor is raised or blown out.
Replace entire bank of capacitors. Do not replace individual capacitors.
THE LIQUID ELECTROLYTE IN THESE CAPACITORS IS TOXIC.
AVOID CONTACT WITH ANY PORTION OF YOUR BODY. CLEAN UP
VENTED ELECTROLYTE USING RUBBER GLOVES AND A WATER
DAMPENED CLOTH. ANY ELECTROLYTE WHICH GETS ON SKIN,
CLEAN WITH SOAP AND WATER.
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A. Under certain conditions with smooth, spray-type arc transfer, the
idler control may not stay energized. Place idler control in “high” posi-
tion.
WARNING