Pulling the handle stops the air conditioner from using the ducts and just blows the air out like a non duct system.
Rv ac system not cooling.
It could simply be too hot outside for your ac to keep up.
As already stated the non ducted system simply blows air into your rv from its central roof top location.
When it comes to the sealed system all brands coleman duo therm carrier and intertherm work by using the basic principals of refrigeration.
Once the temperature was 76 degrees the compressor on the ac would stop running.
So how do you identify and repair these issues.
Rv air conditioner non ducted.
The fan would still run but it was no longer cooling the air.
There can be issues with the thermostat or the capacitor in the air conditioner.
Unless you have two ac units.
Usually it can be a broken capacitor that stops your ac unit from blowing cold air and lets it blow warm air instead.
The two most common complaints are not cooling and leaks.
Also a duct system is easily modified if there are cooling problems.
The ac unit could be old.
One can face varying issues with camper ac s like the rv ac shuts off on its own or the ac turns on and off repeatedly or sometimes the ac wont blow cold air at all.
Rv ac blows cold then warm what causes this to happen is not that difficult to diagnosis.
With the thermostat the colder warmer knob turned all the way cold the air conditioner would cool the inside of the rv to about 76 degrees.