
Hold down the reset button Almost all thermostats will reset if you hold down the reset button for more than 5 seconds. This button can be an actual button or it can be embedded into the thermostat and you need something like a paper clip to press and hold it.
- You'll know your boiler is in lockout when you see a red light either flashing or constantly lit.
- To reset, turn the temperature control knob completely anti-clockwise.
- Hold until the red light goes out.
- Turn back to your normal setting.
How do I Reset my thermostat to factory settings?
Confirm your thermostat is ON 2. Press and hold down the MENU button for 5 seconds 3. Use the scroll buttons to move to RESET. The button should lead to left scrolling. 4. Select the RESET option 5. You’ll see FACTORY. Click SELECT 6. The thermostat will flash out a ‘ARE YOU SURE?’ prompt
How to reset a boiler?
How to Reset a Boiler. 1 Push the button and hold if for up to 10 seconds. 2 Wait for the boiler to ignite (this could take several minutes)
How do I change the alert settings on my thermostat?
By pressing the “Scroll” button on the thermostat you can choose the accessory that has triggered the alert. You reset the setting by pressing the button next to the right arrow.
How do I reset my Honeywell T5 thermostat?
If you press and hold the MENU button, a reset option will appear. Select the RESET option and confirm with the OK button. Your Honeywell T5, T5+, or T6 thermostat is now reset.

Where is the reset button on a thermostat?
0:262:05Homeowner Tip- How to Reset Your Thermostat - YouTubeYouTubeStart of suggested clipEnd of suggested clipAll you have to do is hit set. And press and hold.MoreAll you have to do is hit set. And press and hold.
What happens if I reset my thermostat?
It will turn completely off, and depending on the type of thermostat, it may reset to factory settings. The entire process should take less than a minute. Once it has finished resetting, you can adjust the controls to achieve a desirable indoor temperature.
How do you reset the thermostat on a Honeywell boiler?
Resetting a Honeywell ThermostatPower off the thermostat and remove the batteries.Put the batteries in the wrong way, with negative to positive and positive to negative.Wait ten seconds and put them back in the correct way.Your thermostat will be reset to factory settings.
Why isn't my thermostat talking to my boiler?
When the low batteries eventually die, you'll see a black display screen and the thermostat will stop working, meaning your heating system will go down as there is no temperature command being sent to your boiler. In order for thermostats and boilers to work, they need to be able to communicate well with each other.
How do you manually reset a thermostat?
Reset the Thermostat Common methods for resetting a thermostat include installing the battery backward for five seconds, pushing a recessed reset button with a pin or paper clip, or shutting off the breaker to the thermostat for 30 seconds.
How do I reconnect my thermostat to my boiler?
0:081:20How to Re-Establish the Radio Frequency Connection ... - YouTubeYouTubeStart of suggested clipEnd of suggested clipIf your thermostat is asking for heat which is indicated by the flame symbol showing. Simply turn itMoreIf your thermostat is asking for heat which is indicated by the flame symbol showing. Simply turn it down until the symbol disappears. And then turn it back up. So that the flame symbol. Reappears.
How do I fix an unresponsive thermostat?
If the thermostat is still unresponsive, make sure the breaker is shut off and remove the cover. If it looks dirty inside, use canned air or a soft artist brush to clean away accumulated grime that may be affecting its functionality. Then look for issues like loose wiring or terminal screws and tighten them up.
Where is Honeywell thermostat reset button?
Reset Honeywell Lyric Round ThermostatThere's a cloud icon on the left side of the thermostat. Press it and hold.Press the down arrow. The reset prompt will appear.Select Reset.
Why does my thermostat setting not match my home's temperature?
Poor air flow, bad sensors, or other broken components can also cause room temperatures to be different than your thermostat setting. The biggest clue that your furnace is the culprit is your heating bill.
How do I know if my boiler thermostat is bad?
Boiler Thermostat Testing To confirm that it is most likely a boiler thermostat problem, shut down the system, turn the temperature on your controller down to zero, and do the same with any in-room thermostats if you have them. Turn it on again, but keep your hot water off so you can check the central heating first.
How do I know if my boiler thermostat is broken?
Signs of a Bad ThermostatYour thermostat has no power or is unresponsive. ... Your A/C or heater runs constantly and won't turn OFF. ... Room temperature and setting don't match.
How do I test my boiler thermostat?
0:025:09Diagnosing a Faulty Thermostat on a Gas Boiler - YouTubeYouTubeStart of suggested clipEnd of suggested clipOur next step is to see if the burners are filing. And we can look in you can rotate or zoom in ifMoreOur next step is to see if the burners are filing. And we can look in you can rotate or zoom in if necessary. And we can see that the burners are not firing.
How do I fix an unresponsive thermostat?
If the thermostat is still unresponsive, make sure the breaker is shut off and remove the cover. If it looks dirty inside, use canned air or a soft artist brush to clean away accumulated grime that may be affecting its functionality. Then look for issues like loose wiring or terminal screws and tighten them up.
How do I reset my heating system?
Turn your thermostat “off”, then flip the related circuit breaker “off”. Wait 30 seconds, then turn the breaker back “on,” then the thermostat. Set the thermostat to hot or cold, whichever you prefer, and your desired temperature. This should effectively reset it.
What does the reset button do on an air conditioner?
This typically happens after a power outage and is in place to prevent fires and explosions. A reset can also correct an AC that's only blowing warm air, even when the thermostat is set to “cool.” There are a handful of reasons your AC could be blowing warm air, but one of them is a general thermostat error.
How do I fix my thermostat?
0:141:35How to Troubleshoot a Thermostat | The Home Depot - YouTubeYouTubeStart of suggested clipEnd of suggested clipFirst turn off the power at the breaker box to ensure no power is running to the system or yourMoreFirst turn off the power at the breaker box to ensure no power is running to the system or your thermostat.
How to reset a boiler?
All boilers have a reset button but where it's located on the appliance will vary from model to model. If you can't see the button, then check the manual that came with your boiler, which should also explain how to reset the boiler. In most cases though, once you've found the reset button you will need to: 1 Push the button and hold if for up to 10 seconds 2 Wait for the boiler to ignite (this could take several minutes)
How to tell if boiler has reset?
If the boiler hasn't reset then you should contact a qualified engineer who will be able to locate the fault.
What causes a boiler to need to be reset?
A boiler that needs resetting on a regular basis probably has an ongoing fault within the system, such as: A faulty pump. Leaking from the system. A blocked plate heat exchanger. An electric part of appliance needing to be replaced.
How to get boiler working again?
To get the boiler working again it will need to be reset but before doing this the fault will need to be found and repaired. If you're seeing an error code but aren't sure what it means, you can find out by using our error code guides. Just find the manufacturer of your boiler to discover what the error code means.
How to reset a boiler if you can't see the button?
If you can't see the button, then check the manual that came with your boiler, which should also explain how to reset the boiler. In most cases though, once you've found the reset button you will need to: Be careful not to press the button several times as this could lead to the boiler requiring an expensive repair.
Why does my boiler lock out?
Ignition failure. Many boilers will lockout after 3 failed attempts to ignite. There are several reasons why this might happen (e.g. blocked burner, insufficient gas pressure) and you should contact a heating engineer to take a look.
When to reset your boiler
Lots of modern boilers are designed to go into lockout mode when something goes wrong. This protects you, but it can also be a nuisance when you need hot water.
Why has my boiler gone into lockout?
Boiler lockout can happen for a number of reasons. It’s a safety feature, designed to kick in when something goes wrong.
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How to reset your boiler
Once you’ve fixed the problem with your boiler, it’s time to reset it to get the heating and hot water flowing again.
How to reset a Worcester boiler
If your Worcester Greenstar boiler has a flashing red light, you may want to try resetting it. Don’t worry – it’s easy to do.
How to reset a Vaillant boiler
If you have a Vaillant ecoTEC boiler, you should find your reset button just underneath the display.
How to reset a Baxi boiler
Baxi boilers can be reset in three different ways, depending on the model you have.
Where Is The Reset Button On My Honeywell Thermostat?
Honeywell thermostats lack an immediate RESET button on the display interface. You would have to scroll by a few prompts to get to the reset options.
Reset Honeywell 1000 Series Thermostat
The Pro-1000 series is a simple non-programmable thermostat with quick operation. This reset method should work with the RTHL111.
Reset Honeywell 2000 Series Thermostat
The Honeywell 2000 series was a step up from the 1000 series. These were some of the first programmable Honeywell thermostats – and they quickly became favorites. If you owned a 1000 series Honeywell thermostat, you don’t have to do much else to reset the new thermostat.
Reset Honeywell 6000 Series Thermostat
The Honeywell 6000 Wi-Fi Thermostat was the introduction of Honeywell WI-Fi thermostats. Control wasn’t just confined to the home. You can control this thermostat with your smartphone or computer.
Reset Honeywell 7000 Series Thermostat
The 7000 series of Honeywell thermostats are a lineup of programmable, battery-operated, hardwired devices. However, if you had upgraded from the 1000 and 2000 series to a 7000, you would have to use the same approach.
Reset Honeywell 8000 Series Thermostat
The Honeywell 8000 series thermostats are Wi-Fi thermostats with bigger screens and touchscreen functions. The Wi-Fi models in the lineup have different reset instructions. In this breakdown, we reset the 8320WF, RTH8500, 8580WF, and 8321WF models.
Reset Honeywell 9000 Wi-Fi Series Thermostat
The Honeywell 9000 Wi-Fi series is one of the most comprehensive thermostats in the Honeywell catalog. The WI-FI enabled device has a bigger touchscreen that gives you quick accessibility when resetting or changing the settings.
