defroster has a timer and a heating unit

來源: 比花花還花 於 2012-12-28 10:03:15 [] [博客] [舊帖] [給我悄悄話] 閱讀數 : (299 bytes)
回答: 回複：冰箱問題（續）-- 上來謝謝大家 由 ysn2000 於 2012-12-28 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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