Lincoln Electric IM770 IDEALARC CV-525 - Manual (Page 29)

E-4 TROUBLESHOOTING E-4
CV-525
Observe all Safety Guidelines detailed througout 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
PROBLEMS
(SYMPTOMS)
POSSIBLE AREAS OF
MISADJUSTMENTS(S)
RECOMMENDED
COURSE OF ACTION
Output control not functioning on
“
Remote” control.
Poor arc striking with semiautomatic
or automatic wire feeders.
Poor arc characteristics.
Feeder Ready Light blinks.
Feeder Ready Light is not lit.
1. Output Control switch in wrong
position.
2. Faulty Output Control switch.
3. Faulty remote control potentiome-
ter.
4. Leads or connections open in
control circuit.
5. Faulty Control PC Board.
1. Poor work connection.
2. Improper procedures.
3. Defective Control PC Board.
1. Defective Control PC Board.
2. Capacitor(s) in output circuit
failed. A failure is indicated if the
small vent plug on top of a capac-
itor is raised or blown out.
1. Either ground loop fault or aver-
age current shunt fault occurs.
2. Check if there is any control lead
in the wire feeder shorted to the
work piece.
3. Check if the motor leads shorted
or the motor stalled.
1. WF-L connection is being used
with a Lincoln Electric wire feeder.
2. An AWF wire feeder, a
Panasonic-style or a OTC-style
wire feeder is being plugged into
the wrong 6-pin connection.
If all recommended possible areas
of misadjustments have been
checked and the problem persists,
contact your local Lincoln
Authorized Field Service Facility.