更换感应器时，必须切断电源应使设备处于断电状态。
When changing the inductor, the power must be cut off making the equipment under the state of power off.
这就使我们在需要断电时就能用开关切断电源。
This fact enables the supply to be turned off as required by a switch .
清洗前先切断电源。如果无法断电，清洗开关、灯或控制装置附近时，拧干海绵或抹布。
Unplug the refrigerator before cleaning. If this is not practical, wring excess moisture outofsponge of cloth when cleaning around switches, lights or controls.
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