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Mary VincentJul 28, 2025
What to do if my Dometic Furnace will not light and the blower doesn't turn on?
- JJames Wang DDSJul 28, 2025
If your Dometic Furnace fails to light and the blower isn't working, try these steps: First, check the main fuse panel for any blown fuses. It's also possible the furnace-installed breaker switch has tripped or is off. Ensure that the 12VDC power is adequate by checking the RV system voltage. The furnace might be in lockout mode; you can reset it by turning the thermostat off for 10 seconds, then back on. Repeat this up to three times if there's air in the propane line. Finally, inspect the intake and vents to ensure they're free from blockages.
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