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Propane Medium 1-2 hours 9

Dometic RV Furnace Runs 10 Seconds Then Shuts Off - Complete Troubleshooting Guide

Furnace running 10 seconds then stopping is usually sail switch not sensing airflow, dirty flame sensor, or blocked vents. Check blower operation, clean flame sensor, verify air paths clear.

Propane Medium 1-2 hours 9

Dometic RV Furnace Flame Lights Then Dies: Complete Fix Guide 2024

Intermittent flame failure varying from seconds to minutes indicates marginal flame sensor signal or airflow issues. Clean flame sensor with steel wool until shiny. Check combustion air intake and exhaust routing. Gas pressure fluctuation also possible.