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Air con fan motor hot and wont blow cold air but heater works

Air con wont stay cold...fan stops on outside unit???

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  • Contributor
  • 18 Answers

Capacitor or motor.

Posted on Dec 03, 2012

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Posted on Jan 02, 2017

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pilungu
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SOURCE: my heat unit will not blow hot air unless we go

If it does not have a furnace or heating elements for heating, then it is a heat pump, which is rare for a central AC system, but makes sense of the fact that it blows warm air when you reset the pressure switch, which may indicates freon pressure charge problem if your AC system has a reverse valve and uses freon to for heating (heat Pump).

Do you get heating when outside unit runs? if you do, check freon pressure levels and top up to required pressures. The button you depress is a pressure reset switch ... that is if your AC system is a heat pump ... which, as pointed above, it is not common for central ACs.

Posted on Nov 07, 2009

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hvac1960
  • 2133 Answers

SOURCE: air con not working. Operation

First check your timer on and off. If you want to reset, remove batteries from remote and power off to unit. Reset it. Now run the unit. Set temp mode once again in your remote and wait for 3 minutes. If still out door unit not working, check power line to out door unit.

Posted on Dec 31, 2010

joshuaramsey
  • 6 Answers

SOURCE: uotside unit blowing cool air but hot on the inside

It sounds like you have a unit called a heat pump. When a heat pump unit is in cooling mode the outside unit blows hot air and the inside unit blows cold air. If the outside unit is blowing cold then the indoor unit is most likely blowing room temperature or warm air. It sounds like the thermostat could be controlling incorrectly or you could have a failed reversing valve which is the device that switches the unit from heating to cooling mode.

Posted on Jun 02, 2009

  • 166 Answers

SOURCE: Air Con Unit Not cooling the room

Alright, I'm obviously not there, but you could be low on refrigerant/Freon, and what is more likely, your AC is suffering from some sort of obstruction or debris, as noted in this handy diagnostic article that explains how it could cause your AC not to blow as cold air as you would like:
http://yourhandymanzone.com/Your_Handyman_Zone_How_To_Pages_Home_Improvement_Zone_Cooling_Ventilation_Systems_Central_Air_Conditioning_Does_Not_Cool.htm

Hope this helps.
Brad
P.S. As to the loss of your operating manual, try to see if you can get another one directly from the manufacturer by contacting it.

Posted on Jun 05, 2009

  • 38 Answers

SOURCE: lennox air unit not blowing cold air

your fan motor outside is going bad, have a service company change it out for you.

the motor stopped working and that overheated the compressor shutting it down on thermal cutout, and it will only come on once it cools down

Posted on Jul 01, 2009

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My air in my 1997 ford explorer blows hot all the time. when a/c is on the heat fights the cold. can u help?


the heater has a temp blend door the motor that opens and shuts it die . the water or coolant flows through the heater all thye time and this door opens up and lets thye hot air in then the fan blows it around so if the door is always open you will only get hot air .NO Air Con as the hot air heats up the cold real thing .you get to this motor through the clove box very easy iopen the clove box there are stops that dont let it fall down on your legs .now push those stop thingy in on both sides the clove box will come all the way down there byou will see the heater unit and the motor attached on top of it there are 3 bolts on bottom 8mm feel around 1st then un do the flip it up with a blade screw driver unplug the wiers 1st then fit the new one happy day all done the put back together now you have heat and AC again
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2000 NISSAN 4X4 P/U A/C SYSTEM WILL BLOW COLD WHEN OUTSIDE AIR TEMP IS COOL, WHEN HOT OUTSIDE AIR BLOWS HOT.


your auxillary fan is not working. this fan is responsible for cooling the freon that is being circulated in your cooling system... check if there are any loose wires in front of the engine bay.

the auxillary fan is located right beside your radiator fan.

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1 Answer

Heater doesnt work


To troubleshoot this types of problem,click the link below :---
Car heater blowing warm, but not hot air?http://schematicsdiagram.blogspot.com/2011/12/car-heater-blowing-warm-but-not-hot-air.html

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Engine Overheats and heater blowing cold?

http://howtobyme.blogspot.com/2011/11/engine-overheats-and-heater-blowing.html

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Heat blows cold on drivers side and hot on passenger side?

http://schematicsdiagram.blogspot.com/2011/12/heat-blows-cold-on-drivers-side-and-hot.html

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No heat on car? http://technoanswers.blogspot.in/2012/02/no-heat-on-oldsmobile-silhouette.html

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Heater blows intermittently and temp gauge goes erratic?

http://technoanswers.blogspot.com/2012/01/heater-blows-intermittently-and-temp.html

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Heater blows cold?

http://schematicsdiagram.blogspot.in/2012/02/heater-blows-cold.html

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Heater/AC blower motor not working?

http://technoanswers.blogspot.in/2012/02/heaterac-blower-motor-not-working-on.html

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A/C, heater, defroster fan, not working? http://technoanswers.blogspot.in/2012/02/ac-heater-defroster-fan-not-working.html Heater problem?

http://technoanswers.blogspot.in/2012/02/heater-problem-on-isuzu-trooper.html

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This will help.Thanks.

Mar 27, 2012 | 1994 Volvo 960

2 Answers

My AC unit wont blow the cold air.


if the ac outside is working, but not the furnace, means there is a control problem with the furnace, check wires in the furnace, make sure there is a blower wire plugged into the contact marked cool on the control panel of the furnace

Jul 09, 2009 | Fedders A&B Chassis A1A07W2B Air...

1 Answer

Lennox air unit not blowing cold air


your fan motor outside is going bad, have a service company change it out for you.

the motor stopped working and that overheated the compressor shutting it down on thermal cutout, and it will only come on once it cools down

Jun 16, 2009 | Heating & Cooling

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When i have the heater/defroster on the heater below blows cold air while the defrost blows hot. when i switch to just defrost the bottom heater stays on and blows cold air. when i have front dash and...


It sounds like you have a blend air door stuck. This is in the housing of the heater a/c blower unit under the passenger side of the dash. There is a motor on the top of the housing that could possibly be stuck or on working.

May 10, 2009 | 2003 Dodge Durango

1 Answer

Heater blows cold, and fan switch only works on 4 and 5


working on 4 and 5 speed that the resistor that broken cold air you got to move the selector to see the motor that move the trap hot and cold sometime when the motor was not move to the hot side for a long time its jam the motor on the passager side under dash put to hot and gently tap the motor tanks pierre

Oct 24, 2008 | 2002 Chevrolet Malibu

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We have a fujitsu air con model ast9lsbcw which blows cold air from the outside unit and the inside unit is not cooling the room.


Sounds like you have it in heating mode or it is low on charge. In cooling mode, the outside fan should blow hot air not cold.

Jul 30, 2008 | Heating & Cooling

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