有furnace,點火1分半鍾,熄火(伴隨啪啪兩聲),再過30秒,風扇停,再過1分種,點火電熱絲發紅,10秒後點火。循環往複。屋裏溫度68,設置72。什麽問題?
問個furnace的問題
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Was it good before? Sounds like not enough return airflow.
-borisg-
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12/20/2012 postreply
12:52:37
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tenants said it is always like that. today is cold, the heat is
-sweetptt-
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12/20/2012 postreply
12:57:10
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Then it is either return clogged by junk or the vent layout is f
-borisg-
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12/20/2012 postreply
13:07:51
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聽起來像熱傳感器不靈了,一個細細的金屬棒,卸下來
-David2005-
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12/20/2012 postreply
14:00:09
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yeah,try clean the flame sensor first
-地主老頭兒-
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12/20/2012 postreply
14:28:22
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upper limit switch is fault.
-jy101-
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12/20/2012 postreply
17:01:38