Troubleshooting & repair – Lincoln Electric INVERTEC SVM158-A User Manual
Page 60
V350-PRO
SERVICE FACILITY
CORRECTIVE
ACTION
CORRECTIVE
ACTION
DESCRIPTION/
DEFINITION
33
34
Capacitor bank
"B"(upper) is under
voltage.
Capacitor bank
"A"(lower) is over
voltage.
Make sure the reconnect
switches are configured
for the input voltage
being applied to the
machine. The machine
is self-clearing when
condition ceases.
Make sure the reconnect
switches are configured
for the input voltage
being applied to the
machine. The machine
is self-clearing when
condition ceases.
There may be a problem
with the V/F signals from
the main switch board to
the control board.
Perform the Main Switch
Board Test.
The control board may
be faulty.
There may be a problem
with the V/F signals from
the main switch board to
the control board.
Perform the Main Switch
Board Test.
The control board may
be faulty.
TROUBLESHOOTING & REPAIR
F-10
F-10
FAULT CODES
NOTE:
If more than one fault message is being displayed, perform all the checks for the faults
before replacing the printed circuit board