Dometic ac compressor running but not cooling. Next, check the circuit breaker and reset it if necessary.

Dometic ac compressor running but not cooling. The blades are out of balance, the motor doesn't perform well, or the blower. then the circuit breaker tripsreset breaker, comes on again and same thing. Apr 2, 2023 · The common issues for a Dometic RV refrigerator not cooling can be faulty board connection, insufficient airflow; RV is not leveled, overloading, faulty components. Here you can find the answers. How Do I Clean My Dometic Air Conditioner Filter? Jun 23, 2023 · When running the dometic air conditioner on our 24-ft citation Sr, I have noticed that the fan will shut off for 3 to 5 seconds at a time while the compressor keeps working. Sep 6, 2018 · Airstream Forums > Airstream Restoration, Repair & Parts Forums > Interior Restoration Forum > Furnaces, Heaters, Fireplaces & Air Conditioning Dometic AC won’t turn on Mar 23, 2023 · If you’re having trouble with your RV air conditioner compressor not coming on, one of the likely culprits may be a bad AC compressor capacitor. Mar 5, 2025 · In this guide, we will explore common reasons why your Dometic RV air conditioner might not be cooling. May 1, 2023 · While packing up for a trip with AC running normally, it just lost it's cool. Mar 25, 2022 · I have recently installed a new Dometic 15K Duo Therm AC unit. Bedroom a/c seems to be having issues. Jan 27, 2023 · Does your AC keep turning off by itself? It may be short cycling. Faulty capacitors, loose wiring, and malfunctioning fan motors are some of the significant reasons. The reversing valve’s solenoid can be energized in either the heat or cool mode of operation. My first thought is it's low on refrigerant, but of course there's no Jul 31, 2024 · Fix a Dometic refrigerator not cooling properly in your RV with these troubleshooting steps. Learn troubleshooting, fixes. Inside your May 26, 2015 · The probe detects icing and will shut the compressor down to clear it. Before proceeding, ensure the unit is disconnected from the power source to prevent electrical shock. Frequently in the late night/early morning hours the AC fan will come on in auto and run for a minute or so and then cycle off, the compressor doesn't Jul 8, 2024 · Troubleshooting guide: Learn how to fix an RV air conditioner that's not blowing cold air. It also lists the activities which are not DIYable and so you can call professionals. The CC2 control appears OK also. Most of these challenges may be resolved with basic tactical understanding and without the need for a specialist. When I turn the ac on with the fan switched to auto, the compressor will turn on, but the fan does not come on, and it will eventually kick the breaker. If you notice any issues then Jun 5, 2017 · On mine, the compressor was running, but no heating or cooling. Here are the most common problems and how to troubleshoot them. May 13, 2009 · The compressor in our rear air conditioner keeps turning off and on while the fan is running. It has the single zone wall mounted capacitive touch thermostat. Learn the most common reasons your AC is turning on and off & how to fix it. I don't think it is compressor because fan works Help it's hot in Texas and I Nov 2, 2023 · I switch the thermostat to cool and the roof dometic AC starts to run, it runs for about two minutes and shuts off, not sure but I think leave it on and in a few minutes it will run again. Compressor Issues If your Dometic RM1350SLMX RV’s refrigerator isn’t keeping food cold, the problem is probably different from what you’d discover in a standard household RV refrigerator. Mechanic's Assistant: What is the make, model, and year of your RV? Customer: It's a Dometic product. Spending the night on your boat without a working marine air conditioner in the middle of a hot summer can be a Is your Dometic refrigerator not cooling on electricity or gas, even though there is power? You are in the right place. May 28, 2019 · Mine uses R-22 and the only way for it too Cool is to have the compressor running. As long as we start the fan on high then switch over to cool the AC run perfect and cools the camper as it should. We’ll also provide some practical tips to get it back to its cooling best. Other symptoms to look for to assist you figure out what’s wrong: If the air Jul 17, 2016 · I cycled the thermostat from "COOL" to "FAN" - e. it has a dometic a/c unit. Our intent is to provide you with a guideline of checks to make, should you encounter one of the following symptoms. Feb 3, 2025 · Dometic Rv Air Conditioner Compressor Not Coming on If your Dometic RV air conditioner compressor is not coming on, there are a few things you can check to try and troubleshoot the issue. The solution for the second problem is just as easy and as cheap. The fridge uses a technology called absorption cooling, which relies on heat to create the cooling effect rather than a compressor and refrigerant like conventional fridges. Fan motor comes on, a short time later compressor starts. Jun 16, 2025 · How Dometic Air Conditioners Work to Cool Your Space Dometic air conditioners use a refrigeration cycle to remove heat from indoor air, providing cool air output. This process ensures the RV stays cool without Aug 5, 2019 · Well, the air conditioner is doing odd things. This essential component helps to start up and run the motor in an air conditioning unit. Learn how to fix. 541 fan runs, compressor runs air does not blow cold. A failed capacitor or relay prevents the compressor and fan from running, resulting in no power-up. If your Dometic AC is not functioning as expected, it’s essential to identify and address the problem promptly to ensure a comfortable and enjoyable environment. This unit is controlled by a wall thermostat just like a home ac. what's the prob? I would think compressor wouldn't come on at all if it was bad. Common problems may include warm air blowing, compressor belt breakage, or low refrigerant levels. 4 days ago · Learn how to troubleshoot your Dometic RV air conditioner with our comprehensive guide, covering common problems, step-by-step solutions, and maintenance tips for optimal performance. First, make sure that the power supply to the unit is working and that the unit is properly plugged in. 741GO The fan works great. Question: I would think a lack of freon is the root cause, Rv Air Conditioner Capacitor Troubleshoot Insights RV air conditioners heavily rely on capacitors for smooth operation. A relay is a critical component of your AC unit, acting as a bridge between the low-voltage and high-voltage components and ensuring smooth and efficient operation. Dec 30, 2021 · When the temperature climbs and you reach for the thermostat of your Dometic air conditioner and don’t feel any cold air, you’re in trouble. If your Dometic RV AC isn’t blowing cold air, you’ll be looking for the reason, and for a fix. C setting too fast. Dometic 13500 BTU AC Not Cooling: Compressor Won't Start 13500 BTU units often face compressor start failures and fan operation without cooling issues. When your air conditioner stops running before meeting that temperature, it is called short cycling. Jul 31, 2019 · I have a 2018 Keystone Cougar trailer with a 15k btu dometic brisk air 2 AC. 4. Depending on how fast the ice accreted (built up), this could take a long time during which no cooling and low, or NO, air flow is coming out of the air conditioner regardless of fan setting. Jan 23, 2025 · The cycling of your RV air conditioner on and off is a normal operation designed to regulate the interior temperature. If the Dometic B3200 compressor runs but no cold air blows, check refrigerant levels first—low refrigerant causes poor cooling. ____ Dec 31, 2015 · Just had a new rear rooftop Dometic heat pump installed. It turns freely, but will not run, so the unit freezes up and stops. Duo-Therm DIAGNOSTIC SERVICE MANUAL Comfort Control Center Systems This program will address the most common system problems associated with the Duo-Therm Comfort Control Center supplied by The Dometic Corporation. The voltage reading should be taken at the unit power supply leads. The compressor has a mind of its own and likes to randomly come on and on for brief periods, even if the wall thermostat is not set to cool. Is your RV AC giving you worries about starting and stopping? Join me as I offer you possible remedies for when RV AC compressor starts then stops. I tried spinning the fan while the unit was running, but it would not May 25, 2025 · Dometic air conditioners are popular for both recreational vehicles (RVs) and homes, valued for reliability and comfort. With a diverse range of models catering to various needs, Dometic boasts durability, energy efficiency, and a user-friendly interface. Jun 23, 2025 · Is your RV’s air conditioner not keeping you cool? Before you call a repair technician, there’s plenty you can do yourself to diagnose and fix common Dometic AC issues. Mechanic's Assistant: Are you repairing your RV on your own? What steps have you taken so far? Customer: Yes, I turned on the unit. Is there a relay sticking? Has anyone else had this problem? The rear ac is working as Jun 28, 2019 · There are a lot of reasons why your RV AC fan doesn't work. com/resources/darrens-tool-list/Service Manuals: https://myrvwo Jul 25, 2022 · For the past two days, my 2007 20-foot Safari’s air conditioner has not cooled when run. I then plugged in the 30amp cable that came with the trailer directly to the house after correcting the tripped breaker. When the compressor fails to start but the fan runs, check the start capacitor first, as a faulty capacitor prevents compressor activation. The evaporator never gets cool along with the return line going back to the Jul 13, 2019 · Living room a/c works as it should. If your RV’s air conditioner isn’t blowing cold air, check the thermostat and the electrical system that powers it. Some background In January I had it at the dealer and they did their inspection and the AC was fine. Cleaning the coils can often fix the problem and improve the efficiency of your air conditioner. The capacitor functions as a starting aid, providing the initial torque to kick-start the compressor and fan motors. Nov 26, 2023 · My RV Air Conditioner Won’t Run If your RV air conditioner powers on but will not run, it’s typically an issue within the unit itself. Learn how to identify the common problems and how to troubleshoot your RV fridge. Discover Dometic's comprehensive range of RV air conditioners, specially designed to keep you cool and comfortable on your travels. Here is what Feb 12, 2025 · Dometic RV Air Conditioner Problems One of the most common problems with a Dometic RV air conditioner is when it fails to cool properly. When I turn it on the fan blows and I can hear the compressor kick on and stay on, but there's no change in the air temperature. Sep 14, 2022 · This is an older model Dometic Duo-Therm, model 600315. Jul 22, 2023 · In this comprehensive article, we will delve into seven common problems that can cause your Dometic RV refrigerator to lose its cooling efficiency. rvrepairwoman. . Dometic Brisk air II AC unit, compressor kicks on, but the fan does not kick on. Aug 5, 2022 · just purchased a used 2017 forest river forester. In this article, you will see how to fix all kinds of problems on your Dometic refrigerator, whether it is brand new or has served you for some years. Yet, even high-quality cooling units can encounter issues, leaving travelers searching for answers. To fix the problem and make your air conditioner quieter, check the following: Loose parts Loose parts can cause the air conditioner to operate noisily. If the air conditioner compressor or fan fails to operate, chances are it is not receiving power. This can be caused by a variety of issues, from a dirty filter to low refrigerant levels. Has remote thermastat, ducted roof vents for Mechanic's Assistant chat Customer: dometic model 57915. Jan 20, 2025 · If your Dometic AC compressor is running but not cooling, there are a few things you can check to troubleshoot the issue. It is just as likely he is loosing cooling as the lower unit doesn't have good seals with HVAC tape. When the temperature inside the RV rises above the desired set point, the air conditioner kicks on to cool the space. Jun 11, 2025 · Whether your unit is making strange noises, not cooling properly, or refusing to turn on at all, this guide will help you identify and fix the most common Dometic air conditioner problems. Dometic brand air conditioner units are meant to be long lasting and reliable. My old RV , when in Auto, May 16, 2015 · I have a RV with a Dometic Brisk Air rooftop air conditioner model 57915. In this post, the causes and solutions to these issues are discussed. The AC will not come on on AC mode at any temperature. Faulty compressor- if you have replaced the start capacitor and still get a humming sound, then chances are your compressor is bad and needs to be replaced. When I turn on just the fan (without AC, or heat), the motor just hums. Then the same thing happened. 3K subscribers Subscribed May 22, 2020 · My front ac compressor is still running when the fan has stopped blowing. Jul 10, 2024 · The compressor and cooling fan are both running (the coils connected to the compressor ware warm, but not hot). Aug 22, 2023 · We cover the top 10 reasons why your RV ac keeps tripping the breaker, along with troubleshooting and preventative maintenance tips. It seems to be cycling on and off on the A. At least, I think it is Dometic, the thermostat says Dometic. With proper maintenance and troubleshooting, you can often restore your unit to working order and save hundreds on service calls. We have the power management system with display so you are able to see when just the fan is on, when the compressor kicks on, and when it's running. Oct 27, 2021 · How to Make a Dometic RV Air Conditioner Quieter Noisy operation (cooling or heating mode) could point to a number of issues. This happens in dry and humid climates as well, so I don't think it's evaporator icing. Sep 22, 2015 · This weekend we had to cut our trip short because the compressor on the AC would not kick on. (Photo: Urban Adventure) Broken or jammed valves Jul 17, 2021 · My Dometic AC is not cooling. Also, verify the compressor is running; a faulty compressor or electrical issues can stop cooling. Check the power supply, air filter, compressor, refrigerant levels, and evaporator coils to pinpoint the issue. Unfortunately ac came with no paperwork on it. The first areas that should be checked and cleared can be completed easily and quickly. Has remote thermastat, ducted roof vents for AC, same remote runs Furnace which is ducted in the floor. The fan does run but no cool air comes out. First, make sure that the air conditioner is properly charged with refrigerant. I have an 04 springdale travel trailer with a dometic ac. To start, you just have to raise the thermostat setting a little higher, maybe 10 degrees higher. Checking the RV AC compressor. Mar 27, 2024 · RV Repair tech walks you through how to test the compressor on your RV AC. Oct 9, 2019 · To fix the first problem, all you need to do is reset or replace the fuse. Turn the power off and try to spin the fan motor by hand. Compressor will kick on and only run 3-5 minutes, and then cutoff again. starts just find and blows cold air for about 5 minutes. This replacement is not just the compressor but the whole AC unit. Finally, check to see if the thermostat is set Explore how to fix dometic fridge not cooling issues with us in this article. Regular maintenance includes coil cleaning and refrigerant checks to ensure optimal performance and prevent system damage. I climbed up on the roof and it seems the compressor is running and there was definitely heat coming from the unit (but no fan). and found our compressor was only pulling 3. Now blowing air that is not cool. If the thermostat has no lights showing, it means it is not receiving DC power. May 20, 2017 · AC worked fine this morning but now not. Then the fan will continue to run for approx 10 minutes without compressor. Not that it would help. Is there anything Dec 7, 2018 · iRV2 Forums > RV SYSTEMS AND TECHNOLOGIES FORUMS > RV Systems & Appliances 2015 Dometic AC shuts off after 18 mins iRV2. Depending on the air conditioner’s brand and model, the following are things to check when you have issues with your boat AC. Jun 23, 2025 · Why Dometic Refrigerators Stop Cooling Dometic makes two primary types of RV refrigerators, each with different cooling mechanisms: Absorption refrigerators operate silently using heat to circulate ammonia, water, and hydrogen through cooling coils. Sep 10, 2025 · Diagnosing An RV Air Conditioner That Is Not Cooling – My RV Works, Inc. I assume it is the 15,000 btu unit. It ran for about 5 minutes and stoppedfan and compressor. This is the first time I Brisk Air Conditioners Not Cooling What best describes your situation? If the roof top unit powers on but is not cooling, can you hear the fan and compressor both running? Sep 4, 2024 · Dealing with a Silent Compressor? Discover how to troubleshoot and fix an RV air conditioner compressor that won't come on. We’ll be exploring all May 16, 2025 · This detailed guide explains how to safely reset your Dometic unit and covers troubleshooting, maintenance tips, and frequently asked questions so you can enjoy uninterrupted cooling on every adventure. Your boat's AC system probably has at least 2 air filters. Whether addressing cooling issues, electrical faults Jul 9, 2020 · We diagnose a Dometic AC that is not cooling. ~~~~~Links Mentioned in the Video RV Compressor Tool: https://www. Whether you're embarking on a cross-country RV adventure or exploring the great outdoors in your van, we have the perfect air conditioning solution for your recreational vehicle. Our last night I decided to put the fan on (permanent) low to see what it would do. As soon as the my rig is plugged in to a land line, the A/C unit starts. Given its crucial role, it is Replacement Cap Links Below:Today I replaced the motor start and run capacitors on my trailers air conditioner. To check your AC voltage when you arrive at your destination, plug in your electrical cord. It is a Dometic 15,000 BTU A/C. The units are closed system and cannot be charged. 2010 Heartland Road Warrior AC is Dometic Model 59516. Has anybody else experienced this Customer: The compressor is not running. Dometic fridges are popular for RVs, boats, and off-grid homes due to their efficient cooling systems that run on both gas and electricity. Mar 29, 2021 · I have 2 Dometic 651816H751C0 Penguin II Heat Pumps on my 2016 DSDP, and the front unit's fan stopped working. The tech said he checked the voltage, etc. A failed relay can prevent the unit Apr 25, 2022 · Dometic Duo-Therm Troubleshooting: Most problems with air conditioners are related to electrical or configuration errors. Why is it so? Several reasons contribute to the RV AC unit humming, but the fan is not running. Your thermostat should tell your air conditioner to turn on until it adequately cools. Aug 11, 2024 · Dometic air conditioners are a popular choice for RVs and marine applications, offering reliable cooling in compact units. 7 amps. Get your cooling system back on track! May 5, 2019 · The bedroom AC in my 415RW isn't cooling. Clean your boat A/C system's air filters - all of them on your marine air conditioning system Dirty boat ac filters break air conditioners It's important to learn how to clean boat air conditioner filters and coils. The fan works on Fan mode. Once the temperature drops below the set point, the unit turns off to conserve energy and maintain comfort. Mar 17, 2014 · This problem seemed to be intermittent at first, now it is constant. This article details common Dometic RV air conditioner problems, step-by-step DIY troubleshooting techniques, and expert advice to maintain efficient climate control Jun 19, 2025 · This guide explores typical Dometic air conditioner issues, step-by-step diagnostic procedures, and maintenance practices to keep your RV cool and comfortable during your adventures. However, like any appliance, issues can arise. One test should be performed when the unit is turned OFF and another with it running under load. I checked the interior and the filter is clean and everything looks OK. My problem is,, the freezer gets real cold but the fridge area doesn't get cold at all. They hired me to figure out why it wasn't cooling. Gives off a loud buzzing noise. It will cut offf after a few minutes. First, make sure that the power switch is turned on and that there is power running to the unit. They can run on AC electricity, DC power, or propane gas. Become a Patron: https://www. The make up Refrigerant is a mixture of oil and refrigerant. Providing rooftop and under-bench air conditioners, plus a wide selection of Learn the ins and outs of troubleshooting marine air conditioning with our trusted tips. This comprehensive Dometic air conditioner troubleshooting guide will help identify common problems, provide actionable solutions, and suggest when to call in professionals. Compressor draws 8. Feb 13, 2025 · Just saw this video on Dometic air conditioners and some Coleman if the compressor is not running but fan and other stuff IS running there may be a thermal overload switch on top of the compressor. I was really s May 11, 2011 · I have a Dometic DuoTherm 59516 15K roof top AC. The reversing valve is the heart of a heat pump. If your Dometic RV air conditioner is not cooling, the issue may be related to low or restricted airflow or an excessive heat load. The refrigerant then evaporates inside the evaporator coil, absorbing heat and cooling the air blown through Dec 13, 2023 · Troubleshooting a Dometic RV air conditioner can be a frustrating task, particularly when faced with the sweltering Texas heat. Nov 9, 2017 · Hello Everyone! For about the last two years the AC in our 2014 Puma travel trailer will only operate on high fan speed. Issue The 1If the air conditioner/heat pump doesn’t run (the fan and/or the compressor), check the AC voltage. Mechanic's Assistant: Is there anything else you would like the mechanic to know before I connect you? Customer: The fans Customer: The RV air conditioner compressor is running, but it's not producing cold air. Any Nov 18, 2021 · If your RV air conditioner is running but not cooling, you could have a blocked or clogged condenser coil. Keep your boat cool with Dometic's reliable AC solutions. However, like any air conditioning system, they can experience issues that require troubleshooting. Jun 17, 2016 · HVAC Troubleshooting: Why Your AC Unit is Not Cooling When you have a running compressor, but your air conditioning unit is not producing cool air, there are potentially a number of things that could be causing this problem. Feb 16, 2021 · Just as with any other air conditioner, the one in your RV should kick on when the thermostat temperature does not meet the actual air temperature. Jan 9, 2024 · My 2023 FR30DS has a Dometic air conditioner with heat pump When I turn it on to heat or cool, in Auto mode, the fan runs constantly while the compressor cycles on and off. Next, check the circuit breaker and reset it if necessary. Dometic model 57915. Troubleshooting potential boat A/C problems – and how to fix them – if your with your marine air conditioner stops working right on your boat If you’re like us, you spend most of your weekends on your boat throughout the summer season and rely on your marine A/C to keep cool. ) Fan operation is normal, it's just that when the set point is reached the fan shuts off but the compressor does not. Fixed: Dometic RV AC not blowing cold air - try before replacing air conditioner - easy $15 fix RV Time 13. Be sure the power cord is plugged in and no fuses or breakers are tripped. Aug 23, 2023 · Dometic Penguin II, 13,500 btu. Apr 23, 2022 · If he is seeing cold air on the inside of his camper, I suspect the compressor is running and the capacitor is good. It does have a Exploring a new weekend getaway with your RV on a hot summer day sounds good. Dec 19, 2022 · 6. wait it will kick back on, and then run for a These folks installed a brand new Coleman air conditioner on an enclosed race car trailer. 321. Troubleshooting Tips Check the fault codes (if applicable). Could this indicate that it's low on refrigerant? It's a Domestic 13,500 unit. Jun 13, 2013 · I have a Model 57915. Have to shut off the breaker. AC compressor does not shut off regardless of Dometic Duo Therm thermostat setting. Conclusion If your Dometic RV air conditioner isn’t cooling properly, there are several things you can do to troubleshoot the problem. Many RV air conditioner models, for example, the Dometic Brisk 2, will display a fault code on the unit when there is an issue. Prior to that, no problem. com/myrvworksParts and Tools Links: https://myrvworks. It changes the direction of the refrigerant flow through the coils, and changes the system from cooling to heating. com Google Feb 7, 2022 · From time to time, your Dometic RV Fridge may experience issues. Many people only check and clean one of them. b. Without a functioning capacitor, the AC unit in an RV may struggle to start up, not cool efficiently, or not cool at all. The thermostat may be triggered to switch off the system by anything as simple as a loose cable or a low battery. The fan works and the compressor runs, but it doesn't cool at all. If your AC motor or fan won't turn on, or it RV AC unit humming but fan not running can be due to blockage in the fan, or a faulty capacitor. 331 A/C unit on my '99 LaPalma, and the compressor runs, but the fan motor has quit. Common Reasons For Resetting Your Dometic RV Air Conditioner A reset can resolve several AC problems quickly. Learn the ins and outs of troubleshooting marine air conditioning with our trusted tips. May 19, 2025 · Inspecting Key Mechanical Components: Capacitor and Relay The Dometic AC compressor relies heavily on the capacitor and relay for starting. What happens is after 10 of Billions of cycles, the compressor oil basically decomposes and is filtered out, not much decomposition of R-22. After the usual 2 min. Read on to learn about 10 easy solutions to solve this issue. 4 amps when running (normal is about 13 amps), which indicated a no load condition, thus no refrigerant. no compressor, it fired right up, i cycled back to "COOL" and the compressor kicked in and it ran perfect (for a few hours). Jan 23, 2025 · If your Dometic air conditioner compressor is running but not cooling, there are a few things you can check to troubleshoot the issue. You may also want to look at the breaker at the electrical source. Discover how to maintain, diagnose, and fix your RV’s cooling system, ensuring your comfort on the road. The high-pressure line feels hot, and the low-pressure line isn't cold. g. This comprehensive troubleshooting guide covers why your motorhome air conditioner may hum but fail to blow air, key components involved, and actionable repair steps. The fan motor still runs but the compressor does not while the coil tries to warm up. The capacitors check out OK, and there is no sign of freon leakage. Apr 19, 2025 · The AC unit may have a failed relay, which is part of the circuit board If your Dometic AC unit in your camper won't stop running, it may have a failed relay, which is part of the circuit board. Check for any signs of damage, loose connections or unusual noises with the compressor or fan motor. you have to get up on the roof remove main cover then the small cover ontop Jul 23, 2019 · It will come on, cool (45-49 degrees coming out of vents, 68-69 degrees on the intake vents) but will only cool for approximately 7-10 minutes and then the compressor cuts off, fan continues to run. This issue has been occurring for 30 minutes, and there’s no cooling despite both the evaporator coil and condenser coil being clean. I took the thermistor out and tested with my multimeter and it seems to go up and down quickly when I run it in ice and take it out. The condenser fan draws air into the unit through the condenser coil and pulls heat from your RV when correctly working. This process involves the compressor compressing refrigerant gas, which releases heat as it condenses in condenser coils. If your air conditioning system is not cooling correctly, you should check and clean the filters as well as inspect all hoses for any signs of wear or damage Nov 8, 2023 · The manual explains the things you can check in the system and the correct troubleshooting procedure. Aug 23, 2025 · To ensure your Dometic RV air conditioner is running smoothly, it’s important to troubleshoot any issues that may arise. However, understanding and addressing potential issues will ensure your RV air conditioner is functioning optimally. If you find your Dometic RV air conditioner not blowing cold air, there are certain things you can do to correct the issue. Jun 20, 2024 · If your Dometic air conditioner is not cooling, it could be due to a dirty air filter, low refrigerant levels, or a malfunctioning compressor. b. DuoTherm roof top heat pumps have the solenoid energized in the cool mode. Jun 10, 2025 · When traveling in an RV, a fully functioning Dometic air conditioner keeps adventurers comfortable regardless of the season. Learn the most common causes and how to address them. Jul 10, 2012 · On my Dometic A/C the compressor has started to run all the time, meaning whenever power is applied to the unit (and regardless of thermostat position. more Jul 16, 2023 · Wrong thermostat settings A faulty compressor or fan motor A leaking refrigerant Troubleshooting The Wrong Air From Vents Problems First check the thermostat settings on your Dometic AC unit and make sure that it is set to the desired temperature and cooling mode. Then your air conditioner should work just fine. Brisk Air Conditioners Fan runs but no compressor operation when Air Conditioner/Heat Pump turned to “ON” Try this solution May 13, 2019 · The rear AC in our 2016 Serenity isn't blowing cold and the heat pump isn't working. I can switch the fan from auto, to the on position and May 17, 2025 · When an RV AC unit is humming but the fan is not running, it’s a common but frustrating issue for travelers. It's a non-ducted unit directly above the bed. A few days after a 10-day trip, the fan stopped running on this unit. But the outing won’t be that pleasant if the RV AC unit hums but the fan doesn’t function. Seems to cool or heat and work fine otherwise. com Apr 17, 2025 · The compressor is a vital component of your Dometic AC system, and if it’s malfunctioning, it can lead to significant cooling issues. One method of checking the reversing valve is to feel the Jun 5, 2011 · Hello, Im new to this forum. You can diagnose the problem by checking the compressor and copper tubes for abnormal temperature. Otherwise, running normally. Anywhere from 11-13 amp draw while the a/c compressor is running is pretty normal I believe. Oct 13, 2018 · I have an issue that just started with my Dometic A/C unit on our Sprinter travel trailer. In this Discover common Dometic RV air conditioner problems and effective solutions to keep your AC running smoothly. It’s a relatively cheap fix for Dometic RV air conditioner compressor not coming on or other models. The refrigerant is NOT leaking or no Cooling at all. Diagnosing this requires careful inspection and testing of these electrical components. patreon. The fan comes on, then the compressor kicks in as it should, but will shut off again in less than 10-15sec. Outdoor temperature in the 90s with high humidity. The 12-volt DC fuse should be checked. 531. Understanding the typical issues affecting Dometic air conditioning units helps RV owners diagnose problems more effectively. It runs for the most partuntil it reaches set tempthen most of the time it will not run again. The compressor may start on the second Jul 23, 2022 · AC on and cooling fine until all of a sudden (about after 2 Hours) the AC stopped working as I tripped a breaker. Normally the compressor starts within 10 seconds after the blower, but occasionally it will not start and the blower will turn off after a minute or so and then cycle again after a few minutes. I climbed up on the roof and it seems the compressor is running and there was definitely heat coming from the unit (but no fan) Dec 16, 2023 · Understanding Your Dometic RV Air Conditioner: Before we plunge into the world of air conditioning dilemmas, let’s get acquainted with what makes Dometic a frontrunner in the realm of RV cooling systems. This is because most recreational vehicles do not include the same refrigerators you would be accustomed to at home. By regularly cleaning the air filters and coils, as well as checking for any blockages, you can prevent your AC from running but not cooling. Nov 21, 2018 · I am working with a friend on his A/C on top of his 5th wheel. The air conditioner’s fan works 1. Apr 16, 2025 · If you determine that a start relay needs replacing, locate your model number and part number for your air conditioner and purchase a compatible one. Fan motor- this could get stuck and in need of lubrication. Aug 16, 2015 · My new dometic ac cools great but when the temperature gets below 80 outside the ac fan comes on for a minute and then shuts off for three minutes no compressor this Aug 18, 2023 · 3. Also, I hear a steady humming come on in the compressor Apr 2, 2023 · The common issues for a Dometic RV refrigerator not cooling can be faulty board connection, insufficient airflow; RV is not leveled, overloading, faulty components. Dometic B3200 AC Cooling Issue: Compressor Runs but No Cold Air B3200 units often face refrigerant leaks and faulty thermostats causing cooling failure. ldtnr jzlr caecbb zfrsvx jvg ccmmug sgs cccd ana intwt