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美的冰箱故障碼E7

發布時間:2025-05-03 點擊:51
維修案例:一臺型號為mfz-32wb/v的美的冰箱出現故障代碼e7,具體現象如下:
1.通電后不制冷。
2.開機有異味(味道很大)。
3.冷藏室結冰、冷凍室無冷氣。
4.壓縮機運轉時噪音較大。(正常聲音在60分貝以下)
5.打開電源開關,指示燈亮但不加熱。
6.插上插頭能工作但溫度達不到設定值。以上情況均發生在夏季使用空調或制熱的情況下,且每次開機會自動關機一次;冬季正常使用時不發生上述問題。
分析判斷及檢修過程:
首先檢查了線路連接是否良好和插座是否有電,然后對壓縮機的供電電路進行檢查,經查發現其保險絲熔斷,更換新險管并試機一切正常,說明是控制板的問題導致不能正常工作,于是將控制板的元件拆下清洗干凈后再裝回即可排除此故障原因所在。


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