Service Modes, Error Codes, and Fault Finding
EN 25
FHP PDP
5.
Figure 5-15 Vertical line / vertical bar problem analysis procedure (4/4)
Switch off
Replace ABUSR board
Switch on
Normal?
Normal?
Normal?
Switch off
Replace Logic board
Switch on
Switch on
Replace signal Cables Logic - ABUSR
Switch on
ABUSR board is
defective
Logic board is
defective
Signal cable is
defective
ADM is defective.
Panel chassis is
defectiive.
4
3
Panel is defective
Panel chassis is defective
N
Y
Y
N
N
Y
Switch off
End of analysis
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