Buzzing Noise of Storage Heater Controller

Discussion in 'Electricians' Talk' started by Andreas2, Jul 22, 2022.

  1. Andreas2

    Andreas2 New Member

    Horstmann auto7, have it for years, and now suddenly it's making loud buzzing noise. Randomly and then stops. Not sure why because all our radiators are off, so why its active at all ? Any ideas what is happening? Does it need replacing? Thank you for any ideas
     
  2. jimbobby

    jimbobby Screwfix Select

    can you sort a pic........
     
  3. Teki

    Teki Screwfix Select

    It could be the transformer ageing and buzzing. If you firmly push against the case, does the buzzing stop?
     

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