How To Unfreeze Rv Air Conditioner. Do this by turning your air conditioner off at the electrical breaker. It is likely to be made of washable materials.
If so, reset them by fully turning them off and then putting them back on. Two more reasons for this symptom are a malfunctioning start capacitor or a bad pressure switch on the compressor. 9 out of 10 rv a/c freeze ups are low air flow, and seldom low refrigerant.
A lower pressure refrigerant running through the high pressure line can also cause freezing.
Start with the obvious, inside the rv: After having the ac turned off for some time, turn on the fan to increase the speed at which the ice thaws. The units are factory sealed (hermetic) and are not easily checked or repaired by the normal shade tree mechanic. This is due to lower pressure inside the system itself.