The toilet ventilation fan has been ringing, and there is a sound when the switch is not turned on,

Updated on Toilets 2024-03-22
2 answers
  1. Anonymous users2024-01-23

    The toilet ventilation fan keeps ringing, it may be the sound of the passage wind backflowing, and check whether the socket is leaking with an electric pen. Since the ventilation fan switch is not turned on, there will be no electricity, and there is no power consumption. There are newspapers in your city with formal convenience service information, and you can make a phone call to inquire about the problem with the ventilation fan.

  2. Anonymous users2024-01-22

    It is the sound of the wind pouring in from the ventilation fan in the corridor.

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