Furnace burner cycling on & off
Brought home our new TT last week to prep for a combination maiden voyage and anniversary trip. Turned furnace on, blower started, ran for a period of time then the burner lit. Placed hand over fl...
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If it is like mine the ducting is collapsed and restricted causing over heating of the firebox and cycling the burner against the high limit switch. The low airflow sure is suspect.
I found the issue well after warranty was expired. Became aware when camping below freezing the first time. Used a mirror in the duct to confirm the issue. Removed the furnace and propped open the ducting with some square aluminum stock. Helped a lot but still cycling. This summer added an additional vent. Have not really tested it yet.
I would call the manufacturer of the RV and also the tech line of the furnace to build your confidence to insist on a warranty repair from the dealer that is already resistant and in denial.
Good luck.
I found the issue well after warranty was expired. Became aware when camping below freezing the first time. Used a mirror in the duct to confirm the issue. Removed the furnace and propped open the ducting with some square aluminum stock. Helped a lot but still cycling. This summer added an additional vent. Have not really tested it yet.
I would call the manufacturer of the RV and also the tech line of the furnace to build your confidence to insist on a warranty repair from the dealer that is already resistant and in denial.
Good luck.
