mlb3820 Posted December 5, 2018 Share Posted December 5, 2018 It was pretty cold in Massachusetts in late November, dropping below freezing for nights in a row, while driveway surfing at my parents place and counting down the days to Thanksgiving. To keep the plumbing from freezing in Ollie we were running the gas furnace to keep the living space in the 50s and the space between the hulls warm. On several days I came out and found the interior around 39 degrees and the furnace not running. What?? As I fumbled about with this the first time, I flipped all the AC breakers and pressed all the 12v fuses. The furnace restarted. Huh. I was not paying close enough attention to know which component reset the furnace. Not to worry, it happened again. It turned out it was the furnace fuse, go figure, that when I rocked it under my finger in its receptacle, the furnace would restart after I heard an electrical click. At one point I did this and the furnace restarted but then died again shortly thereafter. That time I discovered we had run out of gas in the open propane tank. I switched to the full tank but the furnace would not start when I expected it to. I rocked the fuse again and got the click (spark? relay reset?) and the furnace started and stayed running. After futzing with this a few times I decided to look closer at the fuse. I pulled it and noticed the two tabs were misaligned, like one tab was making into the receptacle and the other was missing it, instead twisting and just touching the outside of the other receptacle. Under most circumstances this worked fine, until it didn't. Anyway I replaced the fuse and all was well. Upon closer inspection one could see that one of the tabs had a wear mark on only one side where the other tab had marks consistent with full connection in the receptacle, suggesting to me it was not properly seated to begin with. While the fuse issue was resolved, this did highlight an issue/question for me. When the gas runs out while the furnace is running and the furnace shuts down, after resolving the gas issue, how are you supposed to reset it? I imagine having to pull the fuse is not the right way on a closed circuit. Cheers, Mark Mark B LEII Twin hull #391 2013 Tundra Link to comment Share on other sites More sharing options...
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