Question about DeLonghi CF210 Portable Air Conditioner

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Won't cool below 80degrees f

Cleaned condenser & evap, filter, etc. the unit won't cool below 80. air coming from the fan compartment is around 60 degrees f.

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Re: won't cool below 80degrees f

If you have had this unit for a while may need to geet the refrigerant checked

Posted on Sep 07, 2007

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Re: won't cool below 80degrees f

It won't cool below 90. It's worse than a fan. The air is not cool and I can't find the manual. I think I did not install it correctly. Do I have to put ice in that tray? Because that tray is empty. Even after using it for 3 days. I recently found this tube with water in it. I released it and still nothing. The air coming out is hot not cool or cold.

Posted on May 18, 2008

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My condensor fan and compressor on my Carrier AC (Model# 38ckc036350) stopped working, so I replaced my capacitor and they both work fine now. The problem is my house won't cool down. There is c

Often after a repair has been made, the air conditioner will take hours to readjust back to normal. When the system has been off for to long, not only does the heat in the house rise, but so does the humidity, which has to be pulled out of the air first before it really starts dropping in temp. You could have a low charge on refrigerant, dirty filters, etc. More than once I have ran into things that were just coincidence after a repair that showed up. Since you just replaced the capacitor, I would make sure the fan motor is turning in the right direction and there is nice air flow coming out of the condenser, some times if one wire is wrong, it can cause it to spin backwards, which will work, but just barely. The air needs to be pulled through the coils, not pushed. Hope this helps!

Jul 06, 2012 | Carrier 38CKC036 Air Conditioner

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A portable air conditioner may not cool for several reasons. Check the filter by removing the unit's grill and clean the filter.
Also check for clogs in the evaporator or condenser coils by light vacuuming. Make sure the evaporator isn't frosted over, but if it is, allow it to defrost and normal operation should resume.
Lastly, ensure the ambient temperature is lower than your AC's set temperature, as this can prevent cooling. However, if all of these steps fail to resolve your problem, the compressor may be malfunctioning, and in this case, the compressor needs to be replaced or repaired.
In summary, if the air won't cool, remove the grill and clean the filter. Clean out any clogs in the evaporator or condenser coils by vacuuming them and scrubbing them lightly with an old toothbrush. And since fan is working, you compressor might be defective.
I hope the above information is clear.

Jun 24, 2011 | DeLonghi PAC C120 12000 BTU Portable Air...

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Check and clean the filter if found to be dirty. It is usually behind a decorative panel below the cold air output grates (when the cold air is on the top front).

The filter is behind the large, rectangular, slotted front panel. The evaporator coil is behind the filter. The fan behind the evaporator pulls the room air through the filter and evaporator coil where it is cooled and dehumidified. It is then discharged through the grates on the top of the front.

Direct the airflow from the unit up and away or left / right to prevent the cool air from being drawn in the front of the unit (this is where the thermostat sensor is located). Use the highest fan speed to help force the air away from the intake, too. Inspect the condenser and evaporator coils (condenser is outside and evaporator is directly behind the filter. Clean if dirty or icing over. Be sure to install a filter if none was present. There are products made specifically for cleaning between the fins of the condenser and evaporator coils. Use them only as directed.


If these suggestions do not work, you may have a problem with the thermostat, refrigerant level, condenser or condenser fan.

Good luck!

Jun 22, 2011 | Air Conditioners

1 Answer

Working on a pu24ek mr slim the suction is being pulled down to 5 psi yet the high side coming out at 140 psi on other side of cap tube i cleaned the screen going into evap distibuter possible restricted...

is the distributor inside the condensing unit on this system? it sounds like it is under charged also check the fan operation on the evap along with the filters and evap not dirty. if all is good i would say low on charge. i never had a restriction in a mini split. check the orifice in the condensing unit

Jun 05, 2010 | Mitsubishi Mr. Slim MXZ30TN Air...

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Air conditioner and heat blower

You will have two fans, one fan blows out the rear of the unit that cools the condenser soil, one blows out the front across the evaporator that blows the cold air out into the room. Some window a/c's have whats called a squirrel cage fan assy. that has one motor that runs both fans. So you either have one bad fan motor (the evap fan motor) or you have a bad fan blade that has fallen off the shaft. Also check the filter see if it is clean.

Jul 30, 2009 | Air Conditioners

1 Answer

Outside air temp around 100 unit wasnt cooling good noticed evap coils dirty cleaned them cooled alittle better checked low side showed 90 lbs had friend reclaim to get it to 70 lbs 30 minutes later it...

90 psi suction too high possible bad valves or non condensablies in the system (AIR) what is the head pressure and what type of freon r-22 410-A? your unit is never shutting off watch out for that electric bill. and did you take apart the condenser and clean it? Tom

Jun 25, 2009 | Air Conditioners

1 Answer

Not blowing cool air on my Ruud, 18 years old, outside unit.

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

Jun 07, 2009 | Ruud UBHC Air Conditioner

1 Answer


Hello Cheryl, what they are talking about is a drain. As air conditioners run they collect moisture from the air on the evap(in cooling mode) or condenser ( in heat mode). This moisture will run off the part and flow into the tray. In the cooling mode, the moisture is slung onto the condenser to help cool it down, thus be more effective. I always recommend once a year remove the unit and clean all the coils and oil the fan motor. Household oil will work for this. During this cleaning find and clean out the drain. If it gets clogged that water can run back into the home. The PC pipe is sometimes attached to the unit to direct the water to a designated place. These units are common in hotels and they use the pipe to keep the water from dripping on the guest as they walk under the windows. Hope this helps.

Jul 26, 2008 | GE Air Conditioners

2 Answers

Water in housing

You will need to clean the evap coil with a bleach type product and then hose out the condenser coil as well. The bleack will also remove algie from the evap water pan. THX RepairUSA

Aug 26, 2007 | Goldstar R5050 Air Conditioner

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