TROUBLE SHOOTING

MICROPROCESSOR DIAGNOSTICS

The 2nd generation logic board has a non volatile memory which stores a fault history for the
icemaker, plus other diagnostics such as total machine running hours, number of cleaning cycles
performed and number of icemaking cycles.

ACCESSING DIAGNOSTIC DISPLAY
To access the diagnostic display:

1. Ensure the machine is in normal icemaking mode.
2. Press and hold down both the FILL and CLEAN buttons.
3. When the display shows release both buttons.
4. Push the DEFROST button to change the display to the desired diagnostic number as
listed below.

NUMBER    DIAGNOSTIC FUNCTION 0                Displays the fault history for the last 5 machine errors. (First to last) 1                Displays number of hours since last service. 2                Displays the number of cleaning cycles performed. 3                Displays the number of harvest cycles.

5. When the desired diagnostic number is displayed, push and release the RESET button.
6. The selected diagnostic value is displayed on the numeric display.
7. To cancel the diagnostic function, press the RESET button again.

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