NO Disconnect ‘Power In’ cable from XT A00380 Main CCU Board & measure voltage
on cables direct (as below), is 27.5v DC present? If not, then possible faulty leads/connector
If not, then possible faulty leads/connector
Are onboard Voltage/Power LED’s illuminating on XT A00380 Main CCU Board?
YES continue
NO Disconnect ribbon cable from XT A00380 Main CCU (as below), do onboard
Voltage/Power LED’s illuminate? If not, then possible faulty A00380 Board
If LED’s begin to illuminate, reconnect ribbon cable onto XT A00380 CCU Board & then
disconnect ribbon cable from XT A00381 Termination board instead (as below), do onboard
Voltage/Power LED’s illuminate?
If so, then possible problem with XT A00381 Termination Board or the system Network
that is connected to it. If not, then possible ribbon cable problem.
To Next Page
Loading...
