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Thread: mr slim indoor unit problems
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22-07-2010, 10:19 PM #1
mr slim indoor unit problems
I have a mr slim msz 36na out door unit combined with 4 indoor units 3 of them are 9000 btu and the one for my living/ dining room area is 15000btu. A week ago i noticed that the 15000btu unit had hardly any airflow going though it. So i opened the unit up and noticed the fan was covered with dust. I then cleaned the dust off of the fan and the coil. Now with everything cleaned up the blower is still not blowing the same amount of air that it used to and also the fan is making a pulsating sound. could it be that due to the lack of maintenance on the unit the collection of dirt and dust on the coils and fan has caused the fan motor to start to fail? Also how long the a mrslim indoor fan usually last and are the parts expensive?
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22-07-2010, 10:41 PM #2
Re: mr slim indoor unit problems
Did you clean the dust from in the coil not just the surface?
Brian - Newton Abbot, Devon, UK
Retired March 2015
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22-07-2010, 10:48 PM #3
Re: mr slim indoor unit problems
Yes i cut the power to all of the units i removed the cover and sprayed air conditioner foaming cleaner on the coil then i used a squirt bottle to rinse off the coils. The coils look almost good as new now
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23-07-2010, 12:08 AM #4
Re: mr slim indoor unit problems
Have you cleaned both sides of the coils, the side which the fan blows at and the side where the air comes through as the other side you havent cleaned may be filthy.
Have you cleaned the filters as well?
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23-07-2010, 12:43 AM #5
Re: mr slim indoor unit problems
How do i get to the under side of the coil? The fan is the way is there an easy way to remove the fan? Because i have a feeling you are right and the underside of the coil is filthy.
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23-07-2010, 12:50 AM #6
Re: mr slim indoor unit problems
Is it a wall mounted unit?
If you cleaned the side of the coil that the air is sucked through then it should be clean on the other side as it sucks through that but if the fan blows against the coil then you need to clean the side it blows against as this is where the dirt will collect.
You would need to remove the fan blade I guess to access the other side of the coil.
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23-07-2010, 02:17 AM #7
Re: mr slim indoor unit problems
It is a Mr slim wall mounted unit. I still would like to know how to remove the fan any help would be greatly appreciated
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23-07-2010, 05:22 AM #8
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20-08-2010, 09:13 AM #9
Re: mr slim indoor unit problems
i too am having problems with my fan becoming very dirty and filled with "gunk", despite the filters being spotless, as well as the coils being clean. anyone else experiencing dirty fan problems on mr slims?
anyone figure a way to thoroughly clean the fan without removing the whole unit from the wall??
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