Why does my AC only work at high speeds?

When a blower resistor fails, the highest fan speed usually is the only one that still works because it essentially bypasses the resistor and receives the maximum amount of voltage. When the resistor is working, it reduces the amount of voltage going to the lower fan speeds, so the fan runs slower.

What happens if the AC Fan in your RV is not working?

But if the AC fan in your RV does not work right you may lose your cool. The fan is one of the more important parts in your RV AC unit. Keeping it maintained will save you a lot of trouble and help you remain cool. RV AC Fan Not Working: There are a lot of reasons why your RV AC fan does not work.

What should I do if my AC Fan is not working?

Replacing the AC fan motor is not that difficult and if you have any mechanical skill, then it should only take you about 2 hours to so. Here are the steps to replace the motor. Once you have seen there is no power coming to the fan motor, remove the screws holding the motor and squirrel cage Remove the squirrel cage from the motor.

Where are the capacitors in an AC fan?

To tell the difference between the two, the run capacitor is oval shaped, silver, and measures about 2 to 3 inches in length. The start capacitor is cylinder shape, black or silver in color and measures 3 to 4 inches in length. Both capacitors can be found in the capacitor case in the top right hand corner of the air conditioner.

Why is the blade on my AC fan not spinning?

Rust and corrosion can stop a fan blade from spinning. Sometimes all you need to do to free the blade up is a few firm spins and the rust will let go. Or you can spray some silicone or other lubricant on the exposed metal parts and let that loosen the rust’s grip.

Which is better to run air conditioner fan on high or low speed?

Both have the design that the room circulation fan and the condensor coil cooling fan run on the same shaft, so the speeds of the two fans are identical. My main question is, which fan speed setting should I use if my goal is to make the rooms these A/C units are in as cool as possible?

Why does air conditioner fan stop running in warm room?

This occurs easily in a warm room because the air quickly warms up after it leaves the air conditioner, acquiring a lower relative humidity. But if the room starts to cool to where it’s not too much warmer than the air exiting from the AC, the relative humidity will stop dropping.

How does a fan work in an air conditioner?

The fan which blows the air over the evaporator coil from the house, and pushes the cooled air into the home. When air conditioner systems are working correctly; the units are charged with the perfect amount of refrigerant, causing the refrigerant to change state at exactly the right time in the evaporator coil.