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Robert
Robert, RV Mechanic
Category: RV
Satisfied Customers: 12146
Experience:  18 yrs. RV experience including Cummins North West, Country Coach, Monaco Coach - vendor certified.
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On my 2015 Open Range Light, when I set the thermostat to

Customer Question

Hello, on my 2015 Open Range Light, when I set the thermostat to the furnace setting the fan on the AC operates and the furnace works correctly.
JA: Just to clarify, what are the exact lights you're talking about?
Customer: the furnace light indicator lights up the AC and fan lights are off
JA: What is the model of your '15 RV?
Customer: LF297RLS
JA: Are you fixing your RV yourself? What have you tried so far?
Customer: I have turned the breaker for the AC off. the furnace works and the AC fan does not run
JA: Anything else you want the mechanic to know before I connect you?
Customer: that is all I have done
Submitted: 24 days ago.
Category: RV
Expert:  Robert replied 24 days ago.

HI my name is Robert....

On some thermostats there is a setting for the furnace mode that allows the AC fan to come on to help circulate the air. Lo,Hi and Auto, make sure it is set to auto and that should prevent the fan from coming on while the furnace is running.... IF you still need help I would need to know your exact thermostat, how many buttons etc or you can add a photo using the paper clip icon when you respond... Robert

Expert:  Robert replied 23 days ago.

Hi... Was just checking in to see if my answer helped??? IF you have more questions or concerns please feel free to contact me...

Robert