Troubleshooting, Caution, Warning – Lincoln Electric IM852 CV ADAPTER User Manual
Page 18

E-3
TROUBLESHOOTING
E-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
PROBLEMS
(SYMPTOMS)
POSSIBLE AREAS OF
MISADJUSTMENTS(S)
RECOMMENDED
COURSE OF ACTION
No output control when welding
“STICK”.
Poor arc characteristics
Welder does not stay a high speed
while welding.
1. Lower CV Adapter mode switch
in wrong position.
2. Defective lower CV Adapter mode
switch — replace 3PDT toggle
switch (Sl).
3. For units with remote control,
Remote Control Switch set in the
wrong position.
1. Mode switch in wrong position.
2. Output connected to wrong out-
put terminal.
3. In CV mode — standard current
control or range selector in wrong
position. See operating manual.
4. Check bank of capacitors in CV
Adapter control box. A failure is
indicated if the small vent plug on
top of a capacitor is raised or
blown out. Replace entire bank of
capacitors. Do not replace indi-
vidual capacitors.
THE LIQUID ELECTROLYTE IN
THESE CAPACITORS IS TOXIC.
AVOID CONTACT WITH ANY
PORTION OF YOUR BODY.
CLEAN UP VENTED ELEC-
TROLYTE
USING
RUBBER
GLOVES AND A WATER DAMP-
ENED
CLOTH.
ANY
ELEC-
TROLYTE WHICH GETS ON
SKIN, CLEAN WITH SOAP AND
WATER.
-------------------------------------------------
1. Under certain conditions with
smooth, spray-type arc transfer,
the idler control may not stay
energized. Place idler control in
“high” position.
If all recommended possible areas of
misadjustment have been checked
and the problem persists, Contact
your local Lincoln Authorized
Field Service Facility.
FUNCTION PROBLEMS
WARNING