Montana Owners Club - Keystone Montana 5th Wheel Forum - View Single Post

**Carl n Susan** · 07-17-2018, 01:03 PM

It appears you have two distinct issues.

1. The heater only runs for a few seconds. In the Files section is a RV Furnace Troubleshooting PDF http://www.montanaowners.com/forums/...?do=file&id=11 Hopefully it will help you determine where the problem lies. Be aware there are lights on the furnace which may give you a clue of what is going on (or not).

2. The A/C fan running when the furnace comes on is a "feature" of some of the thermostats. Set the Fan to High, not Auto, and it will stop the A/C. You can do a Search here on "furnace A/C" (or such) to find previous discussions of the behavior.

07-17-2018, 01:03 PM	#2
Carl n Susan Site Team Join Date: Oct 2005 Location: Carmichael - CA Posts: 7,359 M.O.C. #4831	It appears you have two distinct issues. 1. The heater only runs for a few seconds. In the Files section is a RV Furnace Troubleshooting PDF http://www.montanaowners.com/forums/...?do=file&id=11 Hopefully it will help you determine where the problem lies. Be aware there are lights on the furnace which may give you a clue of what is going on (or not). 2. The A/C fan running when the furnace comes on is a "feature" of some of the thermostats. Set the Fan to High, not Auto, and it will stop the A/C. You can do a Search here on "furnace A/C" (or such) to find previous discussions of the behavior. __________________ Carl (n Susan) There is more to life than fuel mileage. 2012 Montana 3700RL Big Sky Package towed by a 2015 Ford F350 6.7L PSD 4WD CC LWB