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Heat Pump and fan work fine, but will not blow cold air on AC setting

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The reversing valve coil may be bad or no power to it during cool. Most heatpumps are set to have the coil of the reversing valve energize in the cool mode. The heating mode is the fail safe mode if the rev valve fails to energize. Check this and let me know.

Posted on Jun 20, 2009

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Home AC only blows cool air when set to fan. When placed on Auto/fan it doesn't blow and no heat.


At your thermostat ,
Set switch to heat, turn up temp switch.
Fan should be set to auto. Wait up to 5 mins to be surethat somthing is wrong. If your fan comes on without heat. Check gas valve or if heat pump check main a/c breaker. If elect heat or any of above dosn't work.
Call a service company. If your in Pensacola. Look up Absolute Heating and Air Conditioning.

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Heat Pump - blows heat to set temp, then off, then kicks on to blow cold


Heat pumps defrost which is the AC mode, if the heat strip isnt working during a defrost, the air will be cold, A heat pump only feels warm if the heat strips are on too! the refrigeration cycles heat output is much less sensible to our 98F skin. heat pumps that satisfy a room setpoint are working at least, all heat pumps feel drafty to most.

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'97 Jeep Grand Cherokee AC "Works and Stops"


Make sure your fan clutch is working. No fan, no cooling of the condenser, no heat dissipation, no cold air. Start the truck and make sure you feel air movement, a lot.

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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

---------
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.

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1 Answer

Air works great but no heat just blows cold air


For this types of problem,i suggest you to check this help links:----Car heater blowing warm, but not hot air?http://schematicsdiagram.blogspot.com/2011/12/car-heater-blowing-warm-but-not-hot-air.html
---------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
---------Engine Overheats and heater blowing cold?http://howtobyme.blogspot.com/2011/11/engine-overheats-and-heater-blowing.html
-----------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----------------This will help.Thanks.

Sep 05, 2011 | 2007 Suzuki SX4

2 Answers

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Sounds like compressor not running. may be a bad capacitor, could also be low on freon.

Aug 30, 2009 | Goodman CLJ30AR32 Air Conditioner

1 Answer

2002 bmw 3 series intermittent ac


Sounds like a compressor problem.

Jun 05, 2009 | 2001 BMW 325

1 Answer

Ruud Heat Pump blows room temp on Heat and AC setting


A "Heat-Pump" is also known as a reverse cycle air conditioner, this means on heat the outdoor unit acts like the indoor section and vice versa. So in all probability you need to have it leak checked and recharged.

Apr 27, 2009 | Ruud UBHC Air Conditioner

1 Answer

Ruud heating/ac unit blowing only cold air in heating mode


Do you have gas or electric heat. If you have gas then you do not have a heat pump. You should in most cases have a red,yellow, white, and green wires coming to the thermostat. R should go to rc/rh G should go to green Y should go to Y and w should go to W. Also the switches on back should be switched to non heat pump and gas rather than electric. Hope this helps.

Feb 15, 2009 | Ruud UBHC Air Conditioner

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