Lincoln Electric INVERTEC V350-PRO Service Manual page 144

F-94
Test
Steps
23
Verify that the Advanced Process Panel upper right dis-
play contains the following pattern and that the bright-
ness of the characters is uniform:
Press and release the Advanced Process Panel
Memory button to advance to the next step.
24 Verify that the Advanced Process Panel lower right dis-
play contains the following pattern and that the bright-
ness of the characters is uniform:
Press and release the Advanced Process Panel
Memory button to advance to the next step.
The weld terminals "ON" and "REMOTE" LEDs should
25
both be off. Press the weld terminals push button to
select weld terminals (studs) "ON" and verify that the
weld terminals "ON" LED turns on.
26 Press the weld terminals push button again to select
weld terminals "REMOTE" and verify that the weld ter-
minals "ON" LED turns off and that the weld terminals
"REMOTE" LED turns on.
27
Press the weld terminals push button again and verify
that both of the weld terminals LEDs are off.
The "LOCAL" and "REMOTE" workpoint source LEDs
28
should both be off. Press the workpoint source push
button to select "LOCAL" and verify that the workpoint
source "LOCAL" LED turns on and that the "REMOTE"
workpoint source LED remains off.
29 Press the workpoint source pushbutton again to select
workpoint source "REMOTE" and verify that the work-
point source "LOCAL" LED turns off and the workpoint
source "REMOTE" workpoint source LED turns on.
Press the workpoint source pushbutton again and verify
30
that both workpoint source LEDs are off.
31
This will only appear if a potentiometer is already con-
nected to the 6-pin amphenol connector on the front of
the machine. If this message appears, disconnect the
potentiometer from the 6-pin amphenol connector.
32
Connect a remote output control potentiometer to the 6-
pin amphenol connector on the front of the machine.
TROUBLESHOOTING AND REPAIR
RETEST AFTER REPAIR
Required Action
"0123456789ABCDEF"
"0123456789ABCDEF"
V350-PRO
F-94
Expected Results
Lft.display Rt. display
dISP
3
dISP
4
SudS on
SudS
rE
SudS
cLr
LorE LocL
LorE
rE
LorE
cLr
dcon
6-PIn roCP
con 6-PIn roCP