Does your frig have the "sliding plastic piece" in the top right of the frig? It would have a white insulated wire attached to it and it would be clipped to a fin. The higher on the fin this piece is clipped to, the colder the frig will be!
Days camping (2015)----88 days
Days camping (2016) ---110 days
2016 Wildcat MAXX 28RKX (33' TT), 2007 13' Scamp
2015 Ram Laramie Hemi
30 years RV'ing
12 different RV's