honeywell thermostat says aux heat on but not working
Verify that the thermostat is switched to cool mode and has a cooling set point below the room temperature reading. Ad A Technician Will Answer You Now.
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The first thing you should consider is that perhaps the auxiliary heat source isnt ON.
. If your Honeywell thermostat is not working and there is no display we recommend you work through the following troubleshooting steps. Hey cool question hehe. If the thermostat LED is lit do a test by turning the thermostat to its maximum setting in HEAT mode or minimum setting in COOL mode.
The auxiliary heat should only run for as long as it usually takes for your home to meet the temperature set on the thermostat. Check the Furnace Door and Its Power Switch. The easiest way to stop the auxiliary heat from coming on is making sure the temperature doesnt drop too fast.
Set the temperature between 60 and 80 degrees Fahrenheit to keep the house at a consistent. Attached schematic is the way the system is wired. Testing a Honeywell Thermostat.
Many heat pump systems will also have an emergency heat setting. If thats not the case then try the following steps. Defrost will occur periodically as needed.
If the auxiliary heat runs every time you turn your system. Aux heat isnt ON. Now you know why your thermostats display might be showing heat on when in reality there is no heat.
If you set your Honeywell thermostat to 70 degrees you can easily turn off the auxiliary heat. Turn the thermostat up just two degrees at a time to avoid using the auxiliary heat. There is no other way to speed up the upstage timer on that thermostat.
Honeywell VisionPro IAQ TH9421C1004 with EIM and the outdoor temp sensor. Answer 1 of 3. 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.
To Sum Up. If your thermostat is newly installed and the heat pump worked for cooling with the previous thermostat check the following. Check for issues with the Indoor AC Filter.
You can do that by adding more insulation to your home and. Verify that the thermostat is set to cool. The first step to fixing your thermostats heat setting is to press the Up arrow and the button which says Switch to Permanent Hold This will.
If the temperatures are extremely frigid. Honeywell makes a lot of different style thermostats so its hard to answer without more info. Your Honeywell thermostat can also display Cool On if your AC.
The problem may not be your thermostat at all. The thermostat controls a single stage heating and cooling air to water heat pump that is 30 years old. This can happen for many reasons.
Inspect the AC Coils for Dirt and. The Cool On message will appear on your Honeywell thermostat if the batteries are dying or there is faulty wiring. Check the thermostat is set to heat and see if the Heat On button is blinking.
But the aux heat does not. Go into the installer settings and make sure setting 26 is set to 0 Comfort. The outdoor unit will shift to the cooling mode and outdoor fan stops while the auxiliary heat is activated to eliminate cold blow indoors.
Questions Answered Every 9 Seconds. It is best to maintain the temperature under eighty degrees to keep your Honeywell thermostat. Another possible reason your auxiliary heat isnt turning on is that the thermostat cant properly read whats going on with your heating system.
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