open the cover of the furnace and see if you can find someth

something like this. 3 amp fuse you can buy at any auto part store for a few dollars.

所有跟帖： 

• 這個是啟動電容？以前的熱泵，夏天不製冷，當是冬天可以用。現在這個完全沒動靜，熱泵不啟動。哪個有問題，熱泵還是溫控器？ -隨意看看～- ♀ (0 bytes) () 03/05/2025 postreply 12:49:46

• this is the fuse. If you don't have any display, -borisg- ♂ (39 bytes) () 03/05/2025 postreply 13:31:57