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GrahamLock · 03-26-2023, 08:56 AM

We have a 2019 3120RL and recently the furnace stopped working. When I turn it on via the Dometic thermostat, the fan comes on as it should, but the furnace does not light. I reset the thermostat to factory settings, and that didn't solve the problem. The fan comes on, runs for a bit, then shuts off, then on again, etc. Yesterday it worked fine. Today the above. Any ideas?

03-26-2023, 08:56 AM	#1
GrahamLock Seasoned Camper Join Date: Oct 2019 Location: Canmore Posts: 65 M.O.C. #25190	Furnace not lighting up We have a 2019 3120RL and recently the furnace stopped working. When I turn it on via the Dometic thermostat, the fan comes on as it should, but the furnace does not light. I reset the thermostat to factory settings, and that didn't solve the problem. The fan comes on, runs for a bit, then shuts off, then on again, etc. Yesterday it worked fine. Today the above. Any ideas?