Commtech wireless Mercury 8-Line Bedienungsanleitung PDF herunterladen (Seite 124)

ECE 477 Final Report Spring 2004

LED-1 All LEDs fail to

light

Power supply failure,

software malfunction,

LED failure

Unit will not

flash; Patron will

not know table is

ready.

Observation Low If only 1 LED fails,

Failure Effects

negligible.

LCD-1

LCD Screen

outputs

improperly

Power Supply

Failure, U13/U14

failure causing

improper logic

translation

Unpredictable Observation Low

COM-1

Lack of

communication

between base unit

and Computer

C9 or C33 fail Order will not be

received; Patron

will not know

table is ready.

Observation Low

H-2

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