Honeywell Thermostat Wont Turn on Heat?

Honeywell Thermostat Wont Turn on HeatSo you’ve set your Honeywell thermostat to heat for some time now, yet it could turn on your warming system?

Here, we clarify the purpose of this issue and how to fix Honeywell Thermostat Wont Turn on Heat issue. We should begin.

Honeywell Thermostat Wont Turn on Heat?

Honeywell Thermostat Wont Turn on Heat

In the event that your Honeywell Thermostat Wont Turn on Heat, here are a few reasons this may occur:

  • Your thermostat’s wiring is defective.
  • The thermostat is introduced in some unacceptable locations.
  • The batteries in your thermostat are feeble.
  • Your heater is switched off.
  • Your circuit breaker has stumbled.
  • The thermostat’s temperature sensor is damaged.
  • Your Honeywell thermostat wasn’t accurately designed for your heating system.
  • All things considered, how about we take a gander at how to investigate this issue?

Honeywell Thermostat Not Switching on Heat: Attempt These Investigating Tips

Assess the Wiring

  • Assuming your Honeywell Thermostat wires are free, or not embedded in the correct terminals, the gadget may not turn on your heating framework.
  • So in the event that your Honeywell Thermostat won’t switch on the heat, the wires may be free or embedded wrongly. Check and guarantee the cables are embedded into the right terminals.
  • Each wire in the thermostat is marked in certain letters. Likewise, the terminals inside the thermostat bear similar letters. Embed each wire in the terminal with matching letters.
  • Make sure to utilize defensive gloves while fixing your Honeywell thermostat’s wiring.
  • What’s more, in the event that you need to learn how to deal with wiring issues in a thermostat, get an authorized proficient to check and fix your Honeywell thermostat’s wiring.
  • On the off chance that your Honeywell thermostat is as yet not switching on the heat in the wake of attempting this fix, proceed to the following stage.

Change the Location of Your Thermostat

  • Did you introduce your Honeywell thermostat as almost an air vent or window? Then you really want to change the location.
  • In the event that the outside wind streams around your thermostat, it can influence the gadget’s temperature readings. For example, on the off chance that the outside weather conditions are warm, and your room is cool, the thermostat might confound your room temperature for hot. Subsequently, the thermostat might switch on the Air Conditioner.
  • Eliminate your thermostat from the side of your window and remount it in a location without outdoor airflow.

Supplant Your Honeywell thermostat Batteries (If Battery-Powered)

Your Honeywell thermostat requires a voltage of 24V to really work. Normally, the thermostat’s battery can give that measure of power on great electricity.

In any case, as the battery arrives at the finish of its life expectancy, it might debilitate and experience a drop in voltage limit. Like this, the battery probably won’t offer the correct voltage for the thermostat.

In the event that your Honeywell thermostat isn’t getting sufficient power, it might neglect to perform the vast majority of its capabilities, such as switching on the heat in your home.

To fix this issue, supplant the batteries in your thermostat. The trade batteries for the Honeywell thermostat are alkaline AA or AAA batteries.

Follow these moves toward supplanting your Honeywell thermostat batteries:

    • Please switch off the power on your Honeywell thermostat from its electrical switch. To turn off your electrical switch, move the change to the Off position.
    • Pull your thermostat’s faceplate from its mounting plate to uncover the battery compartment. Assuming your thermostat’s base plate has pivots, you’ll need to unfasten the gadget from the pivots.
    • Disconnect the battery compartment from the base plate.
    • Remove the old batteries from the container.
    • Embed the new batteries in the compartment.
    • Now, remount the battery container to the mounting dish.
    • Push the faceplate of the thermostat back on the mounting plate.
    • At last, switch on your Honeywell thermostat’s at the electrical switch to restart the gadget.

Turn on Your Heater

  • Your Honeywell thermostat draws heat from your heater. Thus, in the event that your heater is off, the thermostat will not have the option to siphon hot air into your room.
  • Your Honeywell thermostat may not switch on the heat in your home since you have coincidentally turned off your heater. You can determine this issue by turning on your heater.
  • Above all, you want to guarantee that your heater’s electrical switch is still on. In the event that you utilize an electric heater, the electrical control will undoubtedly be a twofold switch breaker. Then again, gas heaters as a rule have single-switch circuit breakers.
  • In the event that you’re not helpful with mechanical tools, you may not be able to distinguish your heater’s electrical switch. For this situation, you might need to turn on all circuit breakers in your home to find your heater breaker. When you find your heater breaker, turn the breaker on.
  • In the wake of turning on your heater’s electrical switch, you really want to affirm that the heater is turned on. Assuming the heater is off, find the button on the wall close to the heater and turn it on.
  • At long last, you ought to likewise guarantee that the heater door is shut. A few heaters may not work in the event that you leave the door open.

Switch on Your thermostat’s Electrical switch

  • While you sat tight for your Honeywell thermostat to switch on the heat, the thermostat’s electrical switch could have stumbled, hence switching off the thermostat. On the off chance that you weren’t taking a gander at the thermostat when the electrical switch went off, you could in any case imagine that the thermostat is on.
  • At the point when your Honeywell thermostat doesn’t siphon hot air into your home a few minutes after you have turned on the gadget, make sure that your thermostat is still on. In the event that not, your thermostat’s electrical switch might have gone off.
  • Go to your electrical board and betray. On the off chance that it’s in the ON position, switch it off and back on.

Also Check:


So that is the manner by which to investigate your Honeywell thermostat that won’t turn on the heating system.

To recap, in the event that your Honeywell thermostat won’t switch on the heat, begin your investigation with the wiring. Check and fix free/squeezed wires.

On the off chance that that doesn’t work, supplant the batteries, change the location, and make sure that the electrical switch is on.

You can likewise you can also do a facility reset if all else fails. What’s more, on the off chance that the issue continues, contact Honeywell Customer service for assistance.