What is the year of mfg of your unit.
The propane/co sensors have a limited life span and must be replaced. There is a date of mfg. on the label on the back of the sensor. Also, a low house battery will cause them to alarm
2012 Fun Finder XT 276 Toy Hauler & Harley Davidson Ultra Classic with Condor wheel chock
2014 Dodge Ram 2500 AT 4X4 Crew Cab 6.4 L Hemi, 373 gears, tow package, Rambox option, Revolver X2 tonneau cover, Equal-I-zer anti-sway hitch.