(Learn How To Paint RV Exterior Fiberglass) In cooling operation, they work like an AC’s condenser unit and are subject to the same issues such as dirty, clogged coils, frozen, or refrigerant leaks, among others. These appear to be like an AC unit but with different components to let them cool and heat your home. In some cases, an outdoor unit could include a heat pump. When correctly working, the condenser fan draws air into the unit through the condenser coil and pulls heat from your RV. If your RV air conditioner is running but not cooling, you could have a blocked or clogged condenser coil. The coil includes the thin metal “fins” that help cool the unit. The exterior of your condenser unit will have a large coil that wraps around the outside of the unit. Your air conditioning system has outdoor condenser coils. You can clean your filer weekly with soap and water to fix this issue. Doing this keeps the components of the system working and staying clean.Ī dirty air filter can block cool air airflow and reduce cooling, or it could lead to your AC system shutting down. It is the filter’s job to catch dirt and other airborne particles before entering the air handler unit. Your RV AC unit could include air filters situated in or around your indoor air handler unit. If your air conditioner not blowing cold air now, carry on with the following fixes or check the relay board. If it’s cold, you have resolved the problem. Once your system kicks in, wait a few minutes, and check you have cold air blowing rather than warm air. If it has been turned off or set for a constant fan, switch it back to the cooling operation. If your thermostat is set to cool, check the temperature and see if it has been changed. ( Learn How to Prepare For Full Time RV Living)Ĭheck your thermostat settings and make sure it’s set to cool and not to blow hot air. Here are the key things that stop your AC from cooling as it should. It could lead to something more drastic such as needing to replace components. You can have simple issues like the thermostat set incorrectly or a dirty filter. In this auto fan mode, the compressor and fan cycle On and Off using the thermostat. Hi – (HIGH): The blower motor and fan operates at high speed as the compressor cycles ON and OFF.Īu – (AUTO): When the auto fan is selected, the fan speed varies based on any difference between the temperature set-point and the room air temperature. Lo – (LOW): Your fan operates at low speed as the compressor cycles ON and OFF. Here, you can find 3 fan speed selections: The fan turns on first and is followed by the compressor after around 2 -minutes. The system cycles the compressor On and Off according to the room air temperature and the temperature set-point shown on the Single Zone LCD thermostat in Cool air mode. When selected, the LCD will be blank, and the Off green LED will turn on for 15 seconds, then it will turn off. Heating has a minimum of 40º Fahrenheit, and the minimum you can set for cooling is 55º F. You can discover, the maximum set-point for your system is 90º F, and the active operating mode will determine the minimum set-point. Press the “+” button to increase and the “―” to decrease the temperature setpoint.You will see the temperature set-point displayed as two digits on the LCD screen. Press the “+” or “―” button to change the temperature set-point.Here are the steps to reset your Dometic RV Air conditioner. It could be nothing more than the settings that stop your RV AC unit from cooling. One of the key things you can go through is resetting your RV air conditioner. How Do I Reset My Dometic RV Air Conditioner? In our guide, you can learn how an RV air conditioner works and what you need to check as part of your Dometic RV air conditioner troubleshooting to find out why it’s not working.īy the end, you’ll have a much better understanding of what to do after you conclude your Dometic duo therm air conditioner troubleshooting and why your RV air conditioner can’t keep you cold. ( Learn How to Clean Underside of Camper Awning) If you have noticed your RV‘s air conditioner isn’t blowing cold air like it used to, or the temperatures are getting warmer by a few degrees, there are some things you can do.īefore you call a professional, it is worth checking some of the components of your AC to make sure it isn’t something simple. One of the most common is the AC stops blowing cold air, and either your vacation or worse, if you are a full-time RVer, the temperatures can rise. When the RV air conditioner not cooling, it means you have something that goes wrong with your device. Rooftop air conditioners are used in many motorhomes, fifth-wheel campers, and large travel trailers.
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