Whirlpool 4322658A Manuale - Pagina 30

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OPTICS DIAGNOSTICS MODE CHARTS

NOTES:

Optics Diagnostics will not respond:

• For 5 minutes after the ice maker begins a "harvest" cycle. To reset the control, wait until

the ice maker "parks," then unplug the refrigerator for 5 seconds, and repeat the test.

• While the control board is running self-checks. Reset the control, as above.

The ice maker control must be in the "ON" position.

The ice bin must be on the door and the ice level below the notched openings.

Diagnostics Chart For Original Design Optics Boards

STEP #

1. Open the freezer door (make sure

that the freezer door has been closed

for a minimum of 10 seconds prior to

opening the door).

2. Activate the door switch 3 times.

Push the button in completely for 1

second each time.

3. Close the freezer door for a minimum

of 5 seconds for a maximum of 50

seconds.

4. Open the freezer door and

immediately view the diagnostics

"status" LED.

Diagnostics Chart For 2002 Design Optics Boards

STEP #

1. Open the freezer door.

2. Press in the emitter flapper door to

unblock the optics beam.

— Chart A —

OPTICS DIAGNOSTICS PROCEDURE FOR ORIGINAL DESIGN BOARDS

STATUS LED

2 pulses, repeated once, indicates the

optics are blocked, or defective. Clear

the optics path, and repeat the

"Optics Diagnostics Procedure."

Replace both boards, if necessary.

— Chart B —

OPTICS DIAGNOSTICS PROCEDURE FOR 2002 DESIGN BOARDS

STATUS LED

Two (2) pulses followed by a one

(1)second delay (repeated).

No lamp.

Two (2) pulses followed by a one (1)

second delay (repeated).

LED is on steadily.

POSSIBLE CAUSES

A steady light that is ON for 5

seconds indicates that both of the

optics boards are good. Continue

with the "Component Diagnostics

Mode."

POSSIBLE CAUSES

The flapper door on the emitter is

blocking the beam.

The optics are faulty.

Ice maker is in the "harvest" mode.

The harvest mode consists of a

five (5) minute period that starts

when the bimetal closes, and the

ice maker begins to run.

Faulty Status LED, or original

style boards are installed.

The Optics are faulty.

The Optics are working properly. Close the freezer door.

5-6

ACTION

If there is no light, unplug the

refrigerator for 5 seconds,

and repeat the test. If there

is still no light, replace both

optics boards.

ACTION

Go to Step 2.

To confirm, press in and hold the freezer

door switch. If in the "harvest" mode, the

Status LED will flash once every second.

Replace the receiver and emitter boards, or

perform the steps in Chart A.

Replace the emitter and receiver boards.