控制面板上除制冷、风扇、风扇速度等控制开关外，还应有工作指示灯和故障指示灯。
In addition to control switches of refrigeration, fan, fan speed etc. on control panel, it should also be equipped with operation and fault indicator lamps.
风扇要么是受一个温度控制开关控制，要么是受发动机计算机控制，当温度达到一个设定值是就会被开启。
The fans are controlled either with a thermostatic switch or by the engine computer, and they turn on when the temperature of the coolant goes above a set point.
开关与灯具控制顺序相对应，风扇的转向及调速开关应正常。
Switch should match sequence of lighting fixture control. Direction turn and speed regulating switch of fan should work well.
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