Forum Discussion
charlesdennis01
Nov 03, 2017Explorer
westend wrote:
Download your furnace's service manual and troubleshooting chart here: Bryant RV service manuals
A buzz may indicate a failed relay, stuck sail switch, or blocked blower. Roll blower over, mechanically. Check input and exhaust on exterior for insects, leaves, etc. Move sail switch, mechanically and make sure it travels without sticking. When the thermostat calls for heat, the first step is operating the blower to exhaust any gasses and to insure air and exhaust can flow into combustion area.
The make is from Atwood and the model from the sticker in the furnace reads AFMD35121_ _ A is a 35K BTU-HR
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