Lincoln Electric INVERTEC SVM158-A Service Manual page 143

F-93
Test
Steps
NOTE: If an Advanced Process Panel is not installed in the machine, skip steps 13-24
13 Turn the Advanced Process Panel left encoder clockwise
until the value displayed on the Advanced Process Panel
lower left display equals 100. Note that this should require
exactly one revolution of the encoder knob.
Turn the Advanced Process Panel left encoder counter-
14
clockwise until the value displayed on the Advanced
Process Panel lower left display equals zero. Note that
this should require exactly one revolution of the encoder
knob.
Turn the Advanced Process Panel right encoder clockwise
15
until the value displayed on the Advanced Process Panel
lower left display equals 100. Note that this should require
exactly one revolution of the encoder knob.
16 Turn the Advanced Process Panel right encoder counter-
clockwise until the value displayed on the Advanced
Process Panel lower left display equals zero. Note that
this should require exactly one revolution of the encoder
knob.
17 Press and hold the Advanced Process Panel Memory but-
ton until the right display changes to on.
18 Release the Advanced Process Panel Memory button.
19
Press and hold the Advanced Process Panel Select button.
20
Release the Advanced Process Panel Select button.
Verify that the Advanced Process Panel upper left display
21
contains the following pattern and that the brightness of
the characters is uniform:
Press and release the Advanced Process Panel Memory
button to advance to the next step.
Verify that the Advanced Process Panel lower left display
22
contains the following pattern and that the brightness of
the characters is uniform:
Press and release the Advanced Process Panel Memory
button to advance to the next step.
TROUBLESHOOTING AND REPAIR
RETEST AFTER REPAIR
Required Action
"0123456789ABCDEF"
"0123456789ABCDEF"
V350-PRO
F-93
Expected Results
Lft.display Rt. display
=100
LEnc
LEnc
=0
=100
rEnc
rEnc =0
EorY oFF
EorY
on
rSEL oFF
rSEL on
1
dISP
dISP
2