1-6. Door opening sensing circuit
(1) GR-G277STSA(LSC27990TT)
✽ 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.
EXPLANATION FOR MICOM CIRCUIT
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Closing 5 V ( A - B , C - D . Switch at both ends are at Off status)
Opening 0 V ( A - B , C - D . Switch at both ends are at On status)
Measuring part
IC1 (MICOM) No. (44, 45) / (45, 46) / (47, 48) Pin
Door of Freezer and Refrigerator
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