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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I removed the inside furnace panel facing the trailer, then replaced the hi limit switch. After testing, the new switch also cycled with front panel removed. Maybe front panel with ducts attached is required for proper air flow across limit switch. Will try.
