defroster has a timer and a heating unit

来源: 比花花还花 2012-12-28 10:03:15 [] [博客] [旧帖] [给我悄悄话] 本文已被阅读: 0 次 (299 bytes)
回答: 回复:冰箱问题(续)-- 上来谢谢大家ysn20002012-12-28 05:56:52

If you want to try, do this:

1. take the fan panel out and test the resistance of the heating unit. It should meausre about 50. 

2. power on and measure the voltage of the heating unit. should have 110v. 

if both are good, most likely the timer is bad. 

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