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My experence

What kind of bell is it? A Ding Dong Bell?
When it works well, does it make sound like a Ding/ Dong, When pressing the switch make "Ding" and release make "Dong"?
Open up the door bell. check the solenoid coil, (see the picture from the link) you may have the coil melt, and the plunger is sticky.
if it is melted, you may need to replace it, or put a drop of cooking oil to lub it. but not too much oil. the following site very helpful..... Post What you see and result. so every one can learn.
http://home.howstuffworks.com/doorbell3.htm

good luck,
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Replies, comments and Discussions:

  • 枫下家园 / 美丽家居 / 我家的门铃会随温度变化,气温低就不响,这几天温度升上来了,又响了,谁能解释一下是怎么回事?
    • 应该是里边接触不凉。 热胀冷缩啊
      • 哪里面接触不良?
        • She meaned the button is malfunctional.
    • spend $4 for a new door bell switch
      • 不是开关的问题,天冷的时候我曾经把2根线直接搭上也不响
    • 天冷谢客!
      • 客没谢成,倒是把送货的给挡了,还得自己开车去取
    • 热敏电阻失效,变成了冷敏电阻,a new technology explored, it will win Nobel prize。。。LOL
    • My experence
      What kind of bell is it? A Ding Dong Bell?
      When it works well, does it make sound like a Ding/ Dong, When pressing the switch make "Ding" and release make "Dong"?
      Open up the door bell. check the solenoid coil, (see the picture from the link) you may have the coil melt, and the plunger is sticky.
      if it is melted, you may need to replace it, or put a drop of cooking oil to lub it. but not too much oil. the following site very helpful..... Post What you see and result. so every one can learn.
      http://home.howstuffworks.com/doorbell3.htm

      good luck,
      • 铃是丁冬的,应该不是铃的问题,铃的润滑挺好的
        • 怎么让它叮咚呢?
          • 现在按门口的按纽就丁冬响啊
            • 对不起,我看贴不仔细。
      • good
    • 降温了,今天门铃又不响了
      • 发达了,这个是可以预报天气的门铃,赶快找买家