After you check the condenser fins and they are clean, If your AC split temp is low( temp of camper vs temp of air from ducts-less than 10 degrees) then it is low on refrigerant. Yes, I am AC certified.
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2018 Keystone Outback 293UBH
2003 Ford Expedition EB 5.4 with tow mirrors
Equalizer E4 1000/10,000
Prodigy P1 Brake Controller
Used to own: 2006 Jayco 29FBS
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