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Fiftybucks's avatar
Fiftybucks
Explorer
May 02, 2016

Suburban SF-30 runs on Bench but blows fuse while installed

Suburban SF-30 runs on Bench but burns fuse while installed. Searched a little on this forum for info on Suburban Furnaces. Cant seem to find the help i am needing. A little history.. i am new to ...
SCVJeff's avatar
SCVJeff
Explorer
May 03, 2016
Have you taken a DVM and made SURE there is no continuity between the heater chassis and the +12V lead? You are inferring a short anytime its installed, and there are only a few ways for that to happen.

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