12/6/2023 0 Comments Troublehooting duo therm brisk airDebris, leaves, dirt, grime and other contaminants can get into your AC unit and cause it to break down.Įven insects, rats, and mice can get inside and ruin your perfectly good Dometic air conditioner. To prevent this situation from taking place, you should get into the habit of covering your RV air conditioner with a cover when it is not in use. Saving a few repair dollars may end up costing you more later on. You may also damage the unit if you do not put it back into peak condition. If you don’t, then the air conditioner will not work right and simply waste a lot of electricity. Then, when you find all the possible sources fix them all at the same time. When your air conditioner unit has stopped working properly, you need to track down all the possible sources for the trouble. RV Air Conditioner Stopped Blowing Cold Air Just put a meter on the air conditioner to check for the compressor issue and check the fuses to make sure they are working as they should. The fan is powered separately on some units so these blown fuses would not affect the fan’s operation. There is also the possibility that the two fuses on the disconnect may have gone bad. But if the compressor goes down, you may need a professional AC repairman to handle the repair or replacement. The capacitor is easy to fix and you can do it yourself. Another problem that causes this situation is that the compressor in your AC unit has malfunctioned or broke in some way. That means you need to check your capacitor to make sure it was not defective or that it just simply broke. Usually, a young air conditioner will not have a broken capacitor so soon but when you start feeling warm air coming out of your AC unit, then check the simple solutions first. Now while some AC repairmen may dismiss this cause if the air conditioner is under 9 or 10 years of age, that doesn’t mean it cannot happen. Usually it can be a broken capacitor that stops your AC unit from blowing cold air and lets it blow warm air instead. What causes this to happen is not that difficult to diagnosis. For the icing issue, it may be a failed ice detector monitor which would need to be replaced as well. To fix the first problem, you need to find out where it is broken and then take the necessary steps to get that part fixed. Or you have an icing problem which when it takes place, will stop the AC unit from producing any cool air. Two other sources could be that the compressor is broken and has stopped producing cold air. But before you reset the thermostat, let the compressor cool down for about 5 to 10 minutes before starting the air conditioner again. Pressure will build up in the compressor causing it to shut down the cooling unit. Trying to go from, for sake of argument, 90 degree interior temperature to a 70-degree interior temperature is too great a gap for the unit to function properly. To start, you just have to raise the thermostat setting a little higher, maybe 10 degrees higher. The solution for the second problem is just as easy and as cheap. Then your air conditioner should work just fine. To fix the first problem, all you need to do is reset or replace the fuse. When this happens, the fan may continue to blow but without the cool air you want. This causes the compressor to overwork and eventually shut down. When the fuse blows or trips, the AC unit does not have the power it needs to keep running.Īnother source may be that you or your spouse, etc., have set the thermostat too low. There are many issues that can keep your Dometic AC unit from blowing cold air.
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