Problem Areas: Keys
1.2.2 Volume Key
Check:
Inspect the Key Volume and the two Gaskets Key.
Action:
1. If the Key Volume or any of the Gaskets Key is dirty or
clogged – clean them.
2. If any of these three parts are damaged – replace that
part.
Check:
Inspect the connection between the FPC Relay and the
main PBA.
Action:
1. If not properly connected – disconnect and reconnect.
2. If dirty or oxidized – clean the BtB connector.
Check:
Inspect the FPC Relay.
Action:
1. If the FPC Relay is damaged – replace it.
2. Replace the Main PBA.
1273-7035 Rev 3
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Troubleshooting Guide (mech)
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