Lincoln Electric IDEALARC CV-305 - Manual (Page 38)

OUTPUT PROBLEMS
Observe Safety Guidelines detailed in the beginning of this manual.
PROBLEMS
(SYMPTOMS)
POSSIBLE AREAS OF
MISADJUSTMENT(S)
RECOMMENDED
COURSE OF ACTION
If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely,
contact the Lincoln Electric Service Department for technical troubleshooting assistance before you proceed.
Call 1-888-935-3877.
CAUTION
Machine has high output and no
control.
1. Place the remote switch in
machine control. If normal out-
put is restored then the remote
control unit may be faulty.
Check or replace.
2. Turn off the machine. Wait one
minute. If the problem is
resolved when restarted, switch
positions of any two of the input
lines.
1. Perform the
Output Rectifier
Bridge Test.
2. Check the output control (R2)
and associated leads.
3. The control board may be
faulty. Replace.
Machine does not have maximum
output.
1. Place the remote switch in
machine control. If normal out-
put is restored then the remote
control unit may be faulty.
Check or replace.
2. The input voltage may be drop-
ping when the machine is under
load. Check.
3. Make sure all three input phases
are applied to the machine.
1. Check the output control (R2)
and associated leads.
2. Make sure all three phases are
present.
3. The control board may be faulty.
Replace.
TROUBLESHOOTING & REPAIR F-6 F-6
IDEALARC® CV-305
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