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TROUBLESHOOTING THE 50AF1 PANEL
(4)
a b c d e f g h i j k l m n o
Panel is defective.
(5)
The vertical lines
are at the area of
"i", "k", "m" or "o"?
N
Turn off the main power.
Replace ABUSB board
Normal?
N
Turn off the main power.
Replace LOGIC PWB
Continue?
N
Turn off the main power.
Replace signal cables LOGIC – ABUSA.
Turn PDP (Vcego available)
Normal?
N
Y
Turn off the main power.
Replace ABUSB board
Turn on PDP.
Normal?
N
Turn off the main power.
Panel Defective
Normal ?
N
Turn off the main power.
Replace signal cables LOGIC – ABUSB.
Turn on PDP
Normal?
N
Y
Y
Y
45
Y
ABUSB board is
defective
Y
Panel is
defective
Y
Signal cable is defective
ADM is defective.
Panel is defective
ADM contains (COF)
ABUSB board is defective
LOGIC PWB defective
Signal cable is defective
ADM is defective.
(Panel is defective)
ADM contains (COF)
Turn off the AC power and Analysis is over
(6)
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