bekett furnace burner starting problems

Old 11-07-14, 07:48 AM
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bekett furnace burner starting problems

When I went to fire furnace the only thing that happens is a buzz sound for 30 secs and cuts out . reset bottom goes into lockout. Its a beckett AFG with 21805u PSC motor. Capacitor is good. Filter needs replace. I don't have much expierence with this. What could cause it not to engage but buzz and shut?. Also what type of thermal switch does this motor have? Auto or manual? Any help would be great
Old 11-07-14, 09:47 AM
Join Date: Nov 2011
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Maybe bound pump? Does the fan turn? Have it off long? Could be junked up too. Sometimes can get pump going again with force if that the problem.

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