Probably between 3 and 4 ( I was wrong). I was corrected楼下

来源: RomaVacation 于 2024-11-16 15:52:32 [] [旧帖] [给我悄悄话] 阅读数 : (268 bytes)
本帖于 2024-11-16 23:05:07 时间, 由普通用户 RomaVacation 编辑
回答: your sequence should be 由 borisg 于 2024-11-16 15:23:26

The furnace stops working very rarely so I don't know for sure but I think the exhaust (pressure sensor) check is between 3 and 4. Once there is issue (real or not), the system will reset by itself and wait for a few minutes before repeating 1 to 3. 

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