Key:
SW1
= function activation button (freezer temperature alarm reset);
SW2
= ON/OFF button;
SW3
= temperature display button;
SW4
= reed element;
LCD
= liquid crystal display;
POT1
= freezer temperature regulation;
POT2
= cooler temperature regulation;
NTC1
= room temperature sensor (not used);
TOTAL NO FROST FIFTY SLIDING DOOR
1. free;
2. free.
3. freezer door switch;
4. freezer door switch;
5.1.d. Display board ERF2000
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