honeywell thermostat says aux heat on but not working

It may seem like it isnt much you can do when your Honeywell thermostat says the auxiliary heat is on or any other model thermostat. Perhaps you feel most comfortable in the mid-seventies but the air outside is dipping below freezing.

Honeywell Thermostat Says Heat On But No Heat Upgraded Home

Although its not common its also not unusual for auxiliary heat to misbehave or fail.

. It is really too cold for a heat pump. Wait a few minutes and see if the fan turns on. It is so cold.

The secondary heat source can be a gas furnace or an electrical heating element think of it as a powerful space heater that is installed as part of the system. Here is how to reset your Honeywell thermostat. If your digital thermostat isnt working so your heat or ac isnt turning on.

If the thermostat says heat on but no heat there might be quite a few reasons for that. Reasons your Honeywell thermostat says heat on but no heat. These are auxiliary heat sources.

The auxiliary heat source can be an electric resistance coil built into the heat pumps indoor air handler or a gas heater somewhere within the home. Make sure your aux heat indicator turns off when the outside temperature reaches 40 degrees or higher. Temperature sensors inside the HVAC unit determine when the outside unit should turn on.

Heatpump works flawlessly for 10 months out of the year but once the outside temp gets below 30 the heatpump turns off and the aux doesnt start. A Heat Pump System is really not good for a climate like the one you are in. Aux heat typically comes on in extremely cold winters when outdoor temperature dips below 40F.

More often than not the aux heat is coming on because the temperature in the home is set too high. A Heat Pump should only be used in temps as low as 15 -20 degrees fa. That is why both the Heat Pump and the Aux.

Once it gets too cold the heat pump will shut off. A faulty thermostat might cause this poor installation failed circuits. Check the thermostat is set to heat and see if the Heat On button is blinking.

Long press the button to get several options. I have installed a ritetemp 6036 thermostatreplace the Weathertron trane heat pump with aux. Usually auxiliary heat comes on when its too cold outside to run a heat pump.

If you set your thermostat between 60 and 68 degrees the auxiliary heat will not turn on. Vision pro series Th8321r1001u Visionpro 8000 th8321r1001 Th8320r1003 Th8320r1003u Visionpro th8321. If thats not the case then try the following steps.

The reversing valve needs to be working at 100 to provide hot water to your outdoor unit during the winter. The Heat Pump cannot handle this temp. I kept my old thermostat Honeywell WiFi VisionPro model TH8320WF1029.

The auxtllary hearter seem not be on. If the Honeywell thermostat screen is not responding you should reset the device or check if the batteries are working and inserted. You are asking your HVAC system to work too hard to maintain a comfortable temperature.

If it becomes very cold in your home you can press the emergency heat on to give you quick heating to raise your temperature. If the fan is not turning on the problem is either with the wiring of the thermostat or the device is defective and needs replacing. Heatthe heat pump seem to run a long time.

The filter is dirty. Common Reasons Why There Is No Heat. Heat is kicking in which is normal.

This indicates a safety timer has been tripped to protect your thermostats compressor. Honeywell Thermostat Says Heat On But No Heat. It might be a very simple solution.

Locate the menu button on the thermostat. An auxiliary heat source such as a natural gaspropaneoilelectric furnace will turn on and provide heat. Seek Help From an HVAC Specialist.

Perhaps the most common reason for such a situation is a clogged filter. Initially we examine what may go incorrect with the thermometer. Emergency heat is for just what it says.

We have a heatpump system with a NG furnace as the auxbackup controlled by a honeywell 8320 thermostat. If I select the EM Heat setting then the furnace will work properly. Another possible reason your auxiliary heat isnt turning on is that the thermostat cant properly read whats going on with your heating system.

All you would have to do is have a look at your filter. If the sensor is faulty then your HVAC system wont know that it needs to activate. When you see the aux heat indicator on your thermostat it means your heat pump needed some help reaching the desired temperature.

Check the thermostat is set to heat and see if the Heat On button is blinking. Emergency heat requires a lot more energy and is more expensive. It is best to maintain the temperature under eighty degrees to keep your Honeywell thermostat from switching to auxiliary heat.

Also when in defrost mode it does not look like Aux Heat On turns on either. If your heat still isnt working find a rel. Heat pumps are only efficient to a certain design temperature outside.

If the temperatures are extremely frigid outside even this may be too much for your unit. Thermostat does not work on Heat Pumps with auxiliarybackup heat. Heres How it Works.

If your heat still isnt working find a rel. Setting the thermostat for. We detail a few of these issues below followed by diagnosing approaches and restoration recommendations to help you address them.

Once this stops blinking your thermostat should be able to maintain its heat setting again. If your old thermostat has a setting. Verify that the thermostat is switched to cool mode and has a cooling set point below the room temperature reading.

It turns on automatically when the temperature falls. On the many options select the reset. Turn the heat or cold up to full by raising or lowering the temperature respectively.

If it remains on you may have a malfunction in your heat pump and need to call an HVAC service provider. It is best to maintain the temperature under eighty degrees to keep your Honeywell thermostat from switching to auxiliary heat. After everything is installed and connected the thermostat does not switch to Aux Heat On automatically when I set temperature 5 or more degrees higher.

Give auxiliary heat time to work its magic. Say yes to the prompt then reset. How To Remove Old Honeywell Thermostat from Wall 6 Easy Steps.

Often the auxiliary heat is coming on because the temperature in the home is set too high. Check the thermostats display to confirm that theres a call for cooling usually indicated by the words cool on or a snowflake icon. The temp is 40.

On the many options select the reset.

Honeywell Digital Non Programmable Thermostat Electronic At Lowes Com