1. check circuit breaker first.
2. test outlets on the same line. If no power, meaning that there is no power in the whole line.
3. otherwise, take the moting censor light off and you should be measure the line directly. ...
這樣的女生不多呀,鼓勵! 俺老婆會把打氣的電源插頭12v 向氣門芯捅, 你們佩服吧!