Question about Fedders A3X05F2A Air Conditioner

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Our air conditioner is not cooling as well as it has in the past. We can't find the manual to troubleshoot. What can we do besides clean the filter?

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  • Raymond Ramirez
    Raymond Ramirez May 11, 2010

    is the unit on your roof or on the side of your house?



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Clean the fan blades, and clean the evaporator coils and fins. The entire unit needs periodic cleaning, not just the filter.

Posted on Jun 22, 2009


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Check if it gots a fuse or safety plug, maybe even a different outlet. Besides that I don't know maybe the filter needs cleaned? I'm not expert.

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I have an older a/c in my window in my bedroom, the past two days its been extremely humid outside and i have noticed white air or steam coming out of the vent? It seems to be running fine, its been used...

My thought is that your situation is humidity related. If anything were wrong with the A/C process, the unit would stop cooling....Remember, that the process of air conditioning (cooling) removes some moisture from the air...So it is unlikely you have an issue......

Jul 18, 2011 | Airtemp B3Q06F2A Air Conditioner

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My fujitsu a/c unit is not cooling anymore (or much less than in the past). The filters are clean but one of the conduction to the outdoor unit is frozen. do i have to clean the outdoor unit ?

If the small pipe is frozen then the unit is short of refrigerant and has a leak. If the large pipe is frozen it has an indoor fan issue. It does not need cleaning just a service.

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On my 1999 camper trailer when I turn on the dc powered lights while the airconditioning is running the compressor will kick off. If you wait 3 minutes it will come back on and continue to work fine until...

Welcome to FixYa
Not enough cooling complaints are due to air flow issues, and not lack of “Freon.RV air conditioner- come from the factory- are hermetically sealed.The first basic area is the air filter. In summer, using the RV and air conditioner around the clock, the filter should be checked weekly and cleaned as needed. RV air conditioners use either a foam type filter or a fine mesh, both of which can be rinsed in water and reused.keep the filter(s) clean.Few years latter even the best filter will let enough dirt past to coat the evaporator coils, though, so they need to be cleaned. If the coils are not too dirty, and if the installation leaves enough room to access the coils.Once the cover is off, you can see the evaporator coil -Clean Coils too...
Thanks for Contacting FixYa....

Jun 10, 2010 | Dometic Rooftop RV Air Conditioner

1 Answer

Ilet the filter on my unit get clogged and it quit cooling. after i cleaned the filter it still doesn't cool.

"If your dirty filter caused your problem,' it was because it restricted the air flow across the cooling coil. Often if the filter is clogged then the air will divert around the filter itself - and clog the cooling coil too, in which case you will need to clean the cooling coil.

The cooling coil is looped in a coil (hence the name) and is comparable to a car radiator. You will need to clean the fins (that are entwined around the coil) so that air - can flow unrestricted, over the coil.

This can usually be accomplished with a brush of some sort. Often you can use your fingers to peel the moist mat of hair and dirt off the front of the coil.

The problem (usually) is getting to the coil, because once you get to it - it generally is not that hard to clean. Your goal is make sure air flows thru the fins and over the coil - unrestricted of dirt, hair, or whatever.

Remember - many things can cause an AC unit to 'not cool' besides the filter being dirty - which is why I prefaced my answer with 'if your dirty filter caused your problem'

Good Luck!

May 02, 2010 | Dometic Rooftop RV Air Conditioner

1 Answer

Besides the filter directly in the back of the machine is there an inner filter or something else I can do to insure proper cool air flow ? I did dissemble the entire back and carefully washed the coil. It...

Hi, there are no inner filter to be clean, you did good job by cleaning coils at back, but you should try to clean evaporator or cooling coils, is possible you need to service it, remove it, strip it down cover all electrical parts, and give him a bath, power hose, then leave it to drain for about 2hr before putting it together, that should be done by trained mechanics, also you should check size of room, and AC b.t.u, it could be possible, your AC is not right b.t.u, you should check and make sure you have the right amount of b.t.u AC for size of room.

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They are servicable but usually the price it cost to service and fix the problem is more then the unit is worth so for the most part they are disposable also due to the fact that once one part starts to go they all kind of start to go from there

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