This is a heat pump so the problem could be anything related to the compressor, refrigerant circuit, etc. or the defrost control. There is usually a switch or screwdriver slot switch on the front of the unit when you take the large cover off. This will force the auxilliary heat on regardless of outdoor air temp, thus bypassing the compressor heat pump system (and costing you more to operate it.)
SOURCE: my heat pump blows cold air for the first 10 minutes or so
Don't know how long you have had a heat pump but thats the nature of them in colder weather. Some people prefer to switch to "emergency heat" on the t-stat when temps fall below 20 or 25 degrees. This bypasses the heat pump and allows your back-up heat to heat the house. If your house is total electric your emergency heat is an electric furnace and it should handle the load if it was sized properly. Don't leave it on emergency when it warms up because your heat pump is much cheaper to operate than the furnace. As always, check your air filter since it can restrict the amount of air that moves thru the furnace, which is critical. Hope this helps
SOURCE: unit blows cold air instead of warm (burrrr)
FAULTS ARE STORED WITHIN THE CIRCUIT BOARDS MEMORIE TRY UNPLUGGING IT FOR 2 MINUTES AND PLUGGING IT BACK IN
SOURCE: Heater blowing out cold air
Yes you could have a bad overload on the heater element which is fairly simple to fix. To test for this pull the heater out and get an ohmeter set it to continuity and check the continuity first through the entire heater element then if there is none pin point the overloads and check to see which one has no continuity.
SOURCE: unit not blowing cold air
you have a slow leak in your refrigerant and need to find the leak. you will have to get an AC repairman to come to your house and check it for leaks and fix the problem.
HEATER NOT
BLOWING COLD,NO HOT AIR FROM HEATER,A/C BLOWS HOT AIR,A/C NOT BLOWING COLD,
COLD AIR FROM HEATER,BLEND DOOR ACUTATOR CLOSED,HVAC UNIT NOT OPERATING,
http://alltypesofpartsreplacing.blogspot.com/2012/12/heater-not-blowing-coldno-hot-air-from.html
To troubleshoot this types of problem,click the link below
:----http://howtobyme.blogspot.in/2012/02/heater-blows-only-from-defrost.html
--------Go through the procedure to confirm the
issue.
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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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This will help.Thanks.
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