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showme's avatar
showme
Explorer III
Dec 03, 2020

Suburban furnace problem. Troubleshooting procedure?

We have a 2000 Montana 5th wheel that we keep down at our property. We mainly use it for a break room and to keep tools in until we build a house there. We bought the 5th wheel 2 years ago for this pu...
Old-Biscuit's avatar
Old-Biscuit
Explorer III
Dec 04, 2020
Suburban Service Manual....covers all models


SF wiring diagrams on pg 35
2000 vintage it probably is 2nd diagram with the 'Timed Delay Relay'
DC goes to one side of it and out other side to FAN Motor WHEN DC from T-stat goes to other connections on Relay

DC comes from a FUSED DC source...DC Dist Panel (15A Fuse)

Unfortunately....the SF Models w/o exterior access have to be removed from casing and bench tested

RV MFGs don't always account for repairs and make it difficult at best

Suspect TD Relay is bad.

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