FIELD LEVEL TEST MODES AND PROCEDURES: Keypad Test

8.9Keypad Test

Use this test to check the operation of the unit’s keypads and display. Symptoms: unit locked, or stuck key

.

Power up

the unit.

Enter the Model Assembly

(MA) Test Mode.

Verify

that all theFail display tests complete

correctly.

Pass

Proceed

to the MA Test

Mode Keypad Test,

and press all the main keypad Fail keys to ensure they

are working

correctly.

Pass

Pass

 

 

 

Swap the Display module and the Main board one at a time in sequence until the display lights up.

Replace the Main

board, and repeat the test.

Rerun

the MA Test Mode Fail Keypad Test for the

main keypad.

Replace the Main board.

Unit passed test.

68P80400P73-A

8-9

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Motorola i860 manual Keypad Test