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Air unit is running constantly and no heat coming out of vents. the aux light is on on the control panel. can you tell me what i can do to fix this? the unit is only 2.5 years old.

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Turn off furnace breaker, and listen to unit and watch unit, remove the door if necessary, just tape the button so it thinks the door is still on. You should get a clicking sound when the therm calls for heat. Once that happens let me know what it does.

Posted on Dec 05, 2008

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2010 Toyota corolla isn't blowing any air heat or defrost. The switch won't turn anything on. There is a constant air flowing very very lightly thru vent and u can hear fan running but switch cobtrols...


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I had the same issue...the temp is 30 degrees out side and like 50 inside...every time i turn on the heat the aux heat turns on...i tried to turn on the EM Heat but then the aux heat still turns on...i had...


You obviously have a heat pump. A heat pump is basically an air condition running in reverse. By way of example, during the summer time you will notice cold air coming from you vents and hot air being blown out of the outside section of you unit. And in the winter time it switches the flow of refrigerant (freon) and sends the hot air inside and the cold air out. So when the temp drops below about 45 and/or there is a high demand for heat inside the aux light will come on. When this happens it bring in the resistance heat (back up heat stripes) to accommodate for the added need for heating. Heat stripes do in fact burn a lot of electricity. My suggestion to you is not to make more than 5 degree increments of temp rise at a time on your t-stat. For instance if it is 50 inside, set the t-stat to 54, as the temp in the house rises you may continue to raise you setpoint...just never more than 5 degrees of room temp. Otherwise there is not much you can do for it on your own.

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Buzzing sound when aux heat comes on


Sounds like it could be a effiency function to warn you that the heat elements are on. Check your thermostat manual and see if you can turn this feature off. If this is not a feature then the thermostat may be wired wrong or something in the circuit may be trying to short out.

Jan 04, 2010 | Honeywell Electronic Programmable...

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Goodman package- no heat below 30 degrees outside


I believe the unit you are describing is a heat pump. Heat pump are great when the temperature isn't below 30 With low ambient temps. outside it is much more efficient and comfortable to run aux. electric heat from the heat pump.

Jan 03, 2010 | Goodman PHKJ048-1 Air Conditioner

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What does aux mean on a honeywell Thermostat? the heat doesn't seem to be working but warm air is comming from the vents and the heat pump fan is spinning just not enough to match the temp. it's set too....


The aux switch is for electric heat banks installed in the air handler. Depending on the outside temp. it may not be efficient to run in heat pump mode but in aux. or emergency would run the electric heat in the air handler.

Dec 11, 2009 | Goodman Heating & Cooling

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Carrier heat pump: aux heat does not seem to work


you have a heat pump which removes heat from outside air when it is too cold out below 30* the unit can no longer produce heat and electric strip heaters kick in

Feb 06, 2009 | Heating & Cooling

1 Answer

Carrier heat pump: aux heat does not seem to work


The unit is probably to small for theare you are trying to heat.

When the Aux HT light came on that meant the heat pump could not keep up with the demand for heat. (Probably due to extreme cold, or undersized unit.)

If yu have heat, then at least one heat strip is operating. If you have multiple heatstrips, one or more could be malfuncioning.

Or it could simpy be to cold/to small fr your area and not able to keep up.

How many square foot are you trying to heat?
What is the outside temp?
What is the inside temp?
What size unit (BTU output) do you have?

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Compressor fan not running


Does it look like the coils are frosting over? Is it steaming? Keep watching, after about 30 min does the fan come back on?

If yes to any/all the above then the unit is probably in defrost mode and yes the fan will stop blowing during that time, but restart when the unit goes back into regular heat mode.

During this time you will likely notice warmer heat from the vents than normal and the "AUX or EM HEAT" light will be on.

That is your backup heat system. It should automatically come on during a defrost cycle.

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Air handler only blows air for 3-5 minutes before shut off & not cycling frequently


Sounds like it could be a very weak run capacitor on the blower motor. Run capacitors are sized specifically to the needs of the motor. When a run cap gets weak, the motor trys to compensate for it by drawing more power. More power draw = more heat in the motor, then the motor will overheat and shut off to protect itself. When the motor cools off it will automatically restart and run until it overheats again. Keep in mind that I am a technician that normally diagnoses equipment in a hands on manner. There are many practices and concepts that transcend all air conditioning systems but it is a constantly evolving industry. I live in south eastern WA and I don't see Amana units except as window units. It is possible to have something else causing this problem (faulty thermostat, failing thermal relay(if used), problem with electronic controls(if used)) there are a lot of potential variables

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