EXPLATION FOR MICOM CIRCUIT
1-6. Door opening sensing circuit
(1)
Measuring part | IC1 (MICOM) No. (44, 45) / (45, 46) / (47, 48) Pin | |||||||
Door of Freezer and Refrigerator | ||||||||
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Closing | 5 V ( A | - | B , | C | - | D | . Switch at both ends are at Off status) | |
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Opening | 0 V ( A | - | B , | C | - | D | . Switch at both ends are at On status) | |
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✽Since door switches (A) and (B) are interconnected, if either fails, the other will not respond properly.
✽If either switch fails, the light will not come on.
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