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HEAT PUMP NOT WORKING - Heating & Cooling

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Check power?

Posted on Jun 25, 2009

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Posted on Jan 02, 2017

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WHAT DOES IT MEAN WHEN HEAT IS SET 66 AUX IS FLASHING


If it is a heat pump if the ambient I door temp is not than 3 degree s lower than 66 it utilizes the aux heat ( heat strips) to help the unit achieve your desired temperature set point faster. Also the heat pump does need help if trying to overcome really cold temperatures. Once set point is achieved the heat pump should be able to keep the home at the set point without aux heat. But the flashing may just be to let you know that the heat strips are in use at the current time. See if when the temperature gets close to your set temp if it goes away. If not a heat pump it may always flash to just tell you heat strips are in use. Some homes mostly trailers only have heat strips but on heat pumps heat strips are there to help heat pump get to your desired temp. But when your heat pump can maintain the temp without the strips is where it saves power. Also heat pump thermostat hVe emergency heat settings. This scares alot of people but if your heat pump isn't working and you have to switch it to emergency heat until you can get it fixed,. That means that the system is only using heat strips and not utilizing heat pump at all. Power bill may be a little higher but remember, most trailer homes only have heat strips and if you do not use emergency heat in this situation your heat strips will only heat home 3 degrees below set point on thermostat to allow heat pump to bring it up the other 3 degrees. If heat pump isn't working correctly you will always be 3 degrees colder than what you set you thermostat at. Maybe too much info but it's prolly just your aux heat on helping system achieve the desired temp you set thermostat too.

Oct 24, 2016 | Heating & Cooling

1 Answer

Heater, ac and fan speeds all working fine. Compressor not kicking in...just auxiliary heat working.


Outside temp too low, so outside thermostat and it's settings will not allow the heat pump to work. But insist on the ausilary heat to work instead. Heat pumps usually do not produce enough heat when below 40F outside temp. If you have Gas heat, it may be more economical than the heat pump below 40F. If electric auxilarry heat, it may compete at 32F. Talk to your dealer, installer, or manufacture.

Mar 04, 2015 | Amana PTH123B25AJ Heat Pump Air...

1 Answer

Why doesn't the compressor start in the heat mode


If the compressor is off and the heat coil is on - this is normal for the "E" or emergency heat setting. Check for proper connections between the Heat-pump, furnace(heat source) and the thermostat and that the thermostat is capable of controlling a heat-pump with secondary/emergency heat units. Thermostats designed for this have 4 settings: Cool / off / heat / E(emergency heat). in the "heat" setting, both the Heat-pump and Aux heat work together to maintain temperature. In the "E" setting, only the Aux heat source is used. The "E" setting should only be used in extreme cold - when the Heat-pump can no longer produce heat.

Sep 10, 2014 | LG LP153HD3A - 14,300 BTU, R410A, 9.4 EER,...

3 Answers

Why doesn't the compressor start in the heat mode


Is it a heat pump? Is it a heat pump stat? Is ambient temp high enough to allow heat pump to run?

Sep 11, 2014 | LG LP153HD3A - 14,300 BTU, R410A, 9.4 EER,...

1 Answer

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.

Oct 28, 2012 | Honeywell Programmable Thermostat Heater

1 Answer

Heat not rising above 62


It sounds like you have a 'heat pump'?-- and you are trying to heat in these cold snaps-- when the outside temperature is down near freezing?
If so-- Heat pumps do not work well that cold!-- so if your system was marginal at heating, when the outside air is 40 or 50 degrees F-- you quickly run out of 'heat' in the cold outside air, to move the refrigerant in the heat pump with any heat wrung out of the COLD-- to bring heat into your house!
Make sense?

Please tell us more-- like how your heat pump worked last year, etc.

Mack B

Jan 08, 2011 | Heating & Cooling

1 Answer

Heat pump shut off 1 to 2 minutes, service yesterday for same problem told low on freon. Added freon, worked fine until it went thorugh first defrost, now back to same thing. Tech says compressor not...


It is possible that you have one or a combination of a few different problems here.

If your heat pump will not come on but the air handler works, the first thing you want to check is that the circuit breaker and disconnect for the heat pump are both on.

The next thing to check is that the heat pump is receiving a call for heat from the thermostat. If there is no call for heat at the heat pump, then your problem is most likely a low voltage issue. This could range from a failed thermostat to a low voltage wire that is bad.

If your heat pump has high voltage supplied and there is a call for heat present with no heat pump running, you are going to be isolating the problem to the heat pump itself. The problem could lie within any of the electrical components in the heat pump from a bad capacitor, a failed contactor, or a failed defrost control board.



Jan 07, 2010 | Carrier Heating & Cooling

4 Answers

Abbreviation definitions.


Economy Mode = EM
Auxelary Mode = AUX
in em mode heat pump does most of the work in aux either an electric heating element is used or gas depending on if it is gas or all electric

Oct 16, 2009 | Ruud Central System Air Conditioner

1 Answer

Heats up basement


Dehumidifiers and how they work
Heat pump dehumidifiers

Dehumidifiers use a heat pump (similar to an air conditioner's heat pump) or chemical adsorbents to remove moisture from the air without cooling the air.

A heat pump dehumidifier uses a fan to draw indoor air over a heat exchange coil. The coil is almost freezing. The water in the air condenses on the coil and is drained. A second heat exchange coil reheats the air, which the dehumidifier exhausts into the room.

A heat pump dehumidifier dumps heat lost from the compressor and fan motors into the air. It returns to the indoor air the heat generated by the dehumidifier turning water vapour to liquid. I got this off the internet

Jun 24, 2008 | Maytag M7DH45B2A Dehumidifier

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