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冰箱經(jīng)常出現(xiàn)的故障

發(fā)布時間:2025-02-06 點擊:87
一、制冷系統(tǒng)常見故障
1、壓縮機不啟動或運轉緩慢:
1)電源電壓過低;2)溫控器損壞。
2、壓縮機的吸氣壓力低或不穩(wěn)定(低于正常值):
(1)溫度傳感器信號異常;(2)冷凝器的毛細管堵塞;(3)干燥過濾器臟堵;(4)電磁閥線圈燒壞。(5)蒸發(fā)箱內(nèi)的空氣未完全排凈。
3、壓縮機不停機:
1)過載保護裝置動作后仍繼續(xù)運行一段時間;2)熱繼電器觸點粘連造成不能斷開電路。
4、冷藏室結冰嚴重:(原因)冷凍室內(nèi)有水分及霜層附著在食品表面;低溫開關接觸不良;門封條密封性不好等導致冷氣外泄所致。
5、制 冷 慢:(1)管路中有雜質;(2)膨脹槽內(nèi)無冷卻水(3)節(jié)流孔被雜物阻塞(4)過濾網(wǎng)積塵(5)單向離合器和安全閥漏油(6)儲液筒中存有大量液體。
6、制冷效果差:(1)蒸發(fā)器上灰塵過多影響散熱量;(2)蒸發(fā)器上有水份和霜膜覆蓋使吸熱量減少而降低制冷效率。
7、噪音大:由于風扇電機轉速過快引起噪聲過大。
8、照明燈閃爍:電容器失效引起的漏電造成的。
9、停機時除臭功能失靈:
10、開機時不工作:保險絲熔斷或者斷路器跳脫。


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