QF3 is overhaul power switch.

QF3为检修电源开关。

QF2 is power switch for controlling circuit.

QF 2为控制电路电源开关。

Turn on the power switch, power indicator light.

打开电源开关，电源指示灯亮。

Set up power switch which can be manually adjusted freely.

设置电源开关，可以自由手动调节。

See below for how to access ice and reach the power switch.

制冰机及电源开关的使用参照以下说明。