Troubleshooting and repair, Caution – Lincoln Electric VANTAGE SVM178-B Manuel d'utilisation
Page 195
FUNCTION 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
The machine control is still active
when the remote control unit is
attached.
1. This is normal in TIG mode.
2. The remote control unit may be
defective.
3. Check the Amphenol connec-
tions and associated wiring.
1. Check Plug J11 on the Weld
Control PC board for loose or
faulty connections.
2. The Weld Control PC board
may be faulty.
The machine seems locked into the
CC mode of operation (Stick mode).
1. Check the position of the MODE
SELECTOR switch. It must be
in the correct position for the
process being used.
1. Check the MODE SELECTOR
switch and associated leads.
See the Wiring Diagram.
2. The Weld Control PC board
may be faulty.
TROUBLESHOOTING AND REPAIR
F-7
F-7
VANTAGE® 500