Forum Discussion

Chief_Bob's avatar
Chief_Bob
Explorer
Nov 07, 2021

Furnace flames cycles off before temp is reached

I have a new to me 2018 Thor Aria 3401. On our first long trip and we needed the furnace. When it starts the flame starts as it should. The flame continues for around 10 minutes and then the flame cut...
Seeking Advice
Mike134's avatar
Mike134
Explorer
Nov 07, 2021
prichardson wrote:
Sounds like it is cycling on the high limit which is an indication of an airflow problem. Make sure that nothing is restricting the return air and that all registers are open and unrestricted.


This is correct./\ /\ /\ /\
Be wary of internet troubleshooting......your furnace ALWAYS operates on 12V regardless if the power inverter/distribution is fed from shore power or battery.

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