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
所有跟帖:
• Was it good before? Sounds like not enough return airflow. -borisg- ♀ (0 bytes) () 12/20/2012 postreply 12:52:37
• tenants said it is always like that. today is cold, the heat is -sweetptt- ♂ (0 bytes) () 12/20/2012 postreply 12:57:10
• Then it is either return clogged by junk or the vent layout is f -borisg- ♀ (0 bytes) () 12/20/2012 postreply 13:07:51
• 聽起來像熱傳感器不靈了,一個細細的金屬棒,卸下來 -David2005- ♂ (31 bytes) () 12/20/2012 postreply 14:00:09
• yeah,try clean the flame sensor first -地主老頭兒- ♂ (0 bytes) () 12/20/2012 postreply 14:28:22
• upper limit switch is fault. -jy101- ♂ (0 bytes) () 12/20/2012 postreply 17:01:38