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油煙機換氣怎麼解決
油煙機換氣怎麼解決
更新时间:2024-11-11 00:12:20

  1、換氣扇被接通電源後不懂,無電磁聲,用手撥動扇葉轉動靈活,則表明機械部分運轉靈活,故障在供電部分,在分别檢查電源電壓、開關觸點通斷狀況,引線有無脫落,電動機繞組是否斷路。

  2、換氣扇被接通電源後,有一定電磁聲,用手撥動扇葉也能自由轉動,但仍不能啟動,說明機械部分良好,故障在電動機内外電路部分。

  3、換氣扇被接通電源後,有較大電磁聲,但用手轉動扇葉,手感沉重,這有可能是電源電壓太低,電動機機械轉動和傳動部分有故障。

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