电位器接触不良 volume int
充电器接触不良 psp
电容器不良品标示检出 Detecting defective condenser
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由于长期使用继电器触点上接触不良。
The touch points are not firmly connected due to long time usage of relay.
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经查是与四通阀线圈串联的控制继电器触点接触不良,电阻增大,致使电压降低。
The check is in the series of coil and four-way reversing valve control relay contact resistance increases, the bad, the contacts the voltage reduced.
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