Lincoln Electric INVERTEC V350-PRO Service Manual page 63

F-13
FAULT CODES
47
"bad node" "####"
NOTE:
If more than one fault message is being displayed, perform all the checks for the faults
TROUBLESHOOTING & REPAIR
DESCRIPTION/
DEFINITION
Electrical "glitch" on the
V/F signals from the main
switch board to the
control board.
The selected weld mode
does not exist in the weld
table that is presently
loaded in the machine.
before replacing the printed circuit board
V350-PRO
CORRECTIVE
ACTION
Possibly caused by an
external electrical
"noise" or signal level.
Make sure the V350-Pro
is grounded correctly.
The machine is self
clearing when condition
ceases.
Press the Mode Select
button to select a
different welding mode.
F-13
SERVICE FACILITY
CORRECTIVE
ACTION
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.
Perform the Power
Board Test.
The control board may
be faulty.
If new software was just
installed, try reinstalling
the software or put the
original software back.
Perform the Power
Board Test.
Perform the SPI Cable
Resistance and Voltage
Test.
The control board may
be faulty.