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Unit outside turns on, Unit inside turns on but no air blowing. Took the filter out and cleaned it. Looks like the inside coils have a lot of condensation and when turned on the unit still does not blow air. What now?

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Hi!! Check the motor on the right hand side comes on, if it does and the blower don't turn, check that the screw that fastens the blower to the motor shaft is tight, turn blower by hand to make sure it is turning freely.check power to motor, relay and capacitor located on the circuit board card, if they are ok, motor is defective, replace.
Good Luck!! Don't forget to rate this post!!

Posted on Aug 22, 2010

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It sounds like your freezing up at the coil, which in turn, blocks airflow across coil and only a small amount of air comes out of the vents. This also explains the cold air coming from fan on the outside unit, since the system cannot absorb the heat from the inside of the house through the coil. Your air outside is usually blowing out warm to hot air because thats the heat it rejects out of your system. I would turn the thermostat to "OFF" and turn just the fan setting to "ON" instead of Auto, this thaws the system out faster. Give it time to fully thaw, make sure filters are clean, and check airflow. If airflow is back to normal, your problem is more than likely the charge of refrigerant. If you have to call a technician out, make sure the unit is not frozen at all before they get there, they would not be able to do anything with the system froze. Hope this helps and good luck!

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Celiera 12000 btu Mini-split ac unit blows cool air but not as cold as in the past. Unit has been installed for 3 years and functioned fine until now. Is it likely that I simply need additional freon?


It's 'possible' but not likely that you need additional freon.

What is more likely is the 'filter' (for inside coil) is dirty and possibly the coil itself - and/or - the outside coil is dirty.

I would check out the filter - if dirty - I would change it and would also inspect the inside coil. If it's also dirty I would clean it the best I could (with a brush of some sort).

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Could be a lot of things. About the only thing you can do besides calling a service tech is to 'make sure your coil on the condenser (outside) is clean. This coil can be cleaned with a water hose, but you need to make sure you have all electricity turned off.

Turn off the breaker on the outside unit (this could be a fuse block that you have to pull out) and make sure you have your inside thermostat in the off position.

Once you are 'absolutely sure' that you have all electricity off - you can wash the coil with a high pressure hose. Just make sure that both - the inside and outside of the coil is clean; you may have to disassemble the unit a little bit, i.e. take the top off or one of the sides, etc.

The only hope you have - is that the coil is clogged and causing the compressor to overheat and go off on amp overload. It's possible this is the case - but I also suspect the compressor is electrically breaking down which is not connected to the condenser coil being dirty, in which case you will need a service tech and may be faced with some expensive repair. Let's hope this is not the case.

So - it's worth a shot to wash the outside coil.

Not to be 100% negative - it's possible it's something minor and when a service tech looks at it - it could be a fairly cheap repair bill.

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Check outside unit if unit and compressor are running feel the large line to see if it is cold. If compressor is running and line is not cold possible charge problems. You may have a capacitor problem outside. they go out quite often. You can change this yourself, Open up outside unit and the cap is the silver bullet with terminals out the top. Bad cap can cause compressor to not operate and also the fan. You need to clean the coil inside or at leat check the coil to see if it is clean. You can clean theis with a toilet brush do not go against the coil bit brush with the fins. You may need to call a service tech but try these options first. russ

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If you have ice on the Line you are iced up. If coil is iced no air can get thru. Now First. Turn of ac and turn fan to on posotion. That will thaw unit. Let it run 45 minutes. That should do it. If the fan is not running you amy have a bad fan relay. One of the reason iced up unit is dirty evap, coil inside. Try to thaw it out first. You can clean the coil with a stool brush. Does not damage the coils. Good luck

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I have the same unit and was having the same problem. My brother works on A/C's and told me that the coils most likely needed cleaning from the inside out because when they are clogged with a lot of debris the system will overheat and cause that switch to trip and so far it has worked. What you need to do is turn the main breaker off to the outside unit first then take the four screws out of the top of the unit, use a flat head screwdriver and lift the fan it's self up out of the carefully taking caution of the wires going to the fan, then take the garden hose with a spray nozzle and wash the coils from the inside spraying through the coil to the outside and then wash the louvers off of all the debris and this should help.

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