Dometic RV Refrigerator Problems and Solutions

Dometic RV refrigerators are essential for RV owners looking to store food and beverages while on the road. These refrigerators offer the convenience of having a full-sized refrigerator while traveling and are designed to handle the rough conditions of an RV lifestyle.

However, like any other appliance, they can experience problems that can impact their functionality and efficiency. It is important for RV owners to be aware of common problems with their Dometic RV refrigerators and to maintain and fix these problems in a timely manner to ensure their refrigerators are functioning properly and keep their food fresh and safe.

Dometic Rv Refrigerator Problems

Dometic RV refrigerators are reliable but can still experience some issues, such as power problems where the lights won’t turn on and it stops cooling. Another common problem is a lack of cooling caused by poor air circulation, which can be resolved by installing an RV fridge vent fan.

Additionally, RV refrigerators may face issues over time due to sediment buildup in the cooling unit, hindering the ammonia’s circulation. In such cases, it’s recommended to seek a professional technician’s help.

To reset a Dometic RV fridge, turn off all electrical power, locate the reset button (usually inside the fridge), and hold the button for 10 seconds, then release and wait for 10 seconds before pressing it again.

Power Problems with Dometic RV Refrigerators

A common issue that many RV owners experience with their Dometic RV refrigerators is power problems. Power problems can manifest in a few different ways, but two of the most common are lights not turning on and the refrigerator not cooling. Both of these problems can be frustrating and can make it difficult to store food and beverages while on the road.

Lights not Turning On

One of the most noticeable signs of a power problem with your Dometic RV refrigerator is if the lights inside the fridge are not turning on. This can indicate an issue with the electrical supply to the refrigerator, which can be caused by a number of different factors such as a tripped circuit breaker or a blown fuse.

Refrigerator Light
Refrigerator Light

Refrigerator not Cooling

In addition to the lights not turning on, another common power problem that RV owners experience with their Dometic RV refrigerators is the fridge not cooling. This can be due to the same reasons as the lights not turning on, as well as other issues such as a faulty thermostat or a malfunctioning compressor. If the refrigerator is not cooling, it can cause the food and beverages stored inside to spoil, which can be a health hazard.

Solution: Checking Circuit Breakers and Resetting the Fridge

If you are experiencing power problems with your Dometic RV refrigerator, the first step is to check the circuit breakers and fuses to see if there is an issue with the electrical supply. If the circuit breakers or fuses are tripped, simply reset them and run the fridge on electricity again. If the issue persists, it is recommended that you seek the assistance of a qualified technician to examine and solve the problem.

Power problems with Dometic RV refrigerators can be frustrating, but they can often be easily resolved by checking the circuit breakers and resetting the fridge. If the issue persists, it is recommended that you seek professional assistance to ensure that your refrigerator is functioning properly and your food and beverages are stored safely.

Poor Air Circulation

Causes of Poor Air Circulation

Poor air circulation in a Dometic RV refrigerator can be caused by a variety of factors, including insufficient air vents, blockage of air ducts, or a malfunctioning fan. When air cannot circulate freely, the refrigerator’s cooling system becomes inefficient and the temperature inside the fridge may become uneven.

Symptoms of Poor Air Circulation

Some of the signs that you may have a problem with poor air circulation include an uneven temperature inside the fridge, where some areas are cooler than others, and a build-up of condensation. Food may also take longer to cool, and items near the air vents may become frozen, while those in the center of the fridge remain warm.

Solution: Installing an RV fridge vent fan

Installing a fridge vent fan can significantly improve the efficiency of your Dometic RV refrigerator and help prevent problems caused by poor air circulation. Whether you’re facing uneven temperatures, slow cooling, or other issues, this simple solution can help keep your food and drinks properly chilled and at the right temperature.

Age and Lack of Use

Refrigerator Water Line Issues
Refrigerator Water Line Issues

Ammonia Liquid Sediment Buildup

RV refrigerators, like the Dometic, often use ammonia as the cooling agent. Over time and with lack of use, the ammonia can create sediment that settles at the bottom of the cooling unit. This buildup can negatively impact the efficiency of the cooling system and reduce the effectiveness of the fridge.

Hindered Ammonia Circulation

The buildup of sediment can hinder the circulation of the ammonia through the cooling unit, making it difficult for the refrigeration system to properly cool your food and drinks. The temperature inside the fridge may become uneven, and items may take longer to cool. This can be a frustrating and potentially costly problem for RV owners.

Solution: Regular Use and Professional Maintenance:

A qualified technician can examine your RV refrigerator and clean out any buildup of sediment, helping to restore the efficiency of your cooling system. Regular maintenance can also help to identify and resolve any other issues before they become serious problems, ensuring that your Dometic RV fridge remains reliable and effective for years to come.

By combining regular use with professional maintenance, you can help prevent problems caused by age and lack of use, and keep your Dometic RV fridge running smoothly for the long term.

Thermostat Issues

One of the common issues with Dometic RV refrigerators is the thermostat not functioning properly. A faulty thermostat can cause difficulty in regulating the temperature inside the fridge, resulting in inconsistent cooling. The following are the details on the causes, symptoms, and solution of this problem.

faulty defrost thermostat
Faulty defrost thermostat

Causes of Thermostat Issues

The thermostat can malfunction due to various reasons such as wear and tear, electrical damage, or a faulty wiring connection. Sometimes, an outdated or malfunctioning thermostat can lead to temperature regulation problems, resulting in ineffective cooling.

Symptoms of Thermostat Issues

The symptoms of a faulty thermostat can be easily recognized. The temperature inside the fridge is either too warm or too cold, and the fridge is not able to maintain the desired temperature even after adjusting the thermostat.

Solution: Checking and Adjusting the Thermostat

To resolve this issue, the first step is to check the thermostat. Ensure that the thermostat is working correctly and the wiring connections are in good condition. If the thermostat is not functioning correctly, it may need to be replaced.

The next step is to adjust it. To adjust the thermostat, first, turn off the power supply to the fridge. Then, locate the thermostat inside the fridge and adjust the setting according to your preferred temperature.

After making the adjustments, turn the power supply back on and let the fridge run for a while to see if the temperature has improved.

If these steps don’t resolve the issue, it’s best to seek the assistance of a professional technician who can diagnose and repair the problem. A faulty thermostat can cause significant damage to the RV refrigerator, so it’s essential to address the issue promptly.

Thermostat issues are a common problem with Dometic RV refrigerators. By checking and adjusting the thermostat, or seeking the assistance of a professional technician, these problems can be easily resolved and ensure the longevity of your RV refrigerator.

Faulty Compressor

Refrigerator Compressor
Refrigerator Compressor

Symptoms of a Faulty Compressor

A faulty compressor in your Dometic RV refrigerator can cause a number of symptoms that can range from slightly inconvenient to potentially dangerous. Some of the most common symptoms of a faulty compressor include an inability to reach the desired temperature, increased noise levels, and the presence of an odd odor. Additionally, if the compressor is failing, you may notice that the food in your refrigerator is not staying as fresh as it should.

Evaporator Fan Motor referajarator
Evaporator Fan Motor referajarator

Importance of a Functioning Compressor

The compressor is a critical component of your RV refrigerator, as it is responsible for circulating refrigerant throughout the cooling system. This refrigerant helps to cool the interior of the refrigerator and keep your food fresh. If the compressor is not functioning properly, your RV refrigerator will not be able to properly cool the interior, which can result in spoilage of your food and a potential health hazard.


Seeking Professional Repair or Replacement

Electrical Issues

Electrical Issues in Dometic RV Refrigerators

A functioning refrigerator is an essential part of the RV experience, and electrical issues can cause significant inconvenience and spoil food. In this section, we will discuss common electrical issues with Dometic RV refrigerators and how to address them.

Electrical Components Not Working Properly

The electrical components of an RV refrigerator include the lights, fans, thermostat, and compressor, among others. If any of these components are not working, it can lead to problems with the fridge’s performance. For instance, if the lights are not working, it can make it difficult to see what’s inside the fridge, and if the fans are not working, it can lead to poor air circulation.

Electrical Short Circuits

An electrical short circuit is a situation where an electrical current travels through an unintended path, resulting in excessive current flow. This can cause a variety of issues, including blown fuses, tripped circuit breakers, and even electrical fires. If you suspect an electrical short circuit in your RV refrigerator, it is essential to seek professional help immediately.


Electrical issues in Dometic RV refrigerators can lead to significant inconvenience and safety hazards. If you encounter any electrical issues with your RV refrigerator, it is essential to seek professional help to ensure that the problem is properly diagnosed and fixed. By taking proper care of your RV refrigerator and addressing any issues promptly, you can enjoy the benefits of a reliable and functional refrigeration unit for years to come.


Dometic RV refrigerators are a reliable and convenient source of cooling while on the road. However, as with any appliance, they are susceptible to various problems that can arise over time.

Power problems, poor air circulation, age and lack of use, thermostat issues, faulty compressors, and electrical issues are among the most common problems that RV owners face. Regular maintenance, timely repairs, and seeking professional help when necessary are essential to keep your Dometic RV refrigerator functioning optimally.

With proper care and attention, you can ensure that your RV refrigerator continues to serve you and your family for many trips to come.

Similar Posts

Leave a Reply

Your email address will not be published. Required fields are marked *