Furnace Short Cycles Off and On
I have a Suburban SF30fq furnace that cycles the heater flame off and on about every three minutes while the coach is reaching the thermostat setting (technically called short cycling on the limit swi...
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Also, make SURE the whole house inpellor has ALL the vanes intact. I had this problem a few years ago with a customer. The Impellor had broken 1/2 the vanes and did NOT run unbalanced. But, when you pull the outer door or inner cover you should see the remnants of the broken vanes. Doug
