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How Do I Reset My Boiler?

Has your boiler locked out or stopped working? Don't panic - a simple reset might be all you need to get your heating back up and running. Here's our straightforward guide to safely resetting your boiler.

Before You Start

Before reaching for that reset button, check these quick things:

  • Is there power to your boiler?
  • Do you have sufficient system pressure (usually between 1 and 1.5 bar)?
  • Has the gas supply been interrupted?
  • Are your radiator valves open?

how to reset a boiler

How Do I Reset My Boiler?

Locate the Reset Button

The reset button's location varies depending on your boiler model. Consult your boiler manual for precise information. Generally, you'll find it on the front panel, often marked with a flame or cross symbol. Some models may have the reset button hidden behind a removable cover.

Press and Hold the Reset Button

Once you've located the reset button, press and hold it for approximately 10 seconds. This duration may vary slightly between models, so refer to your manual for specific instructions. For instance, Worcester boilers typically require a 5-second hold, while Ideal boilers may need up to 10 seconds.

Check for a Successful Reset

After releasing the reset button, observe your boiler for signs of a successful reset. These include:

- Flame ignition

- A steady light replacing a flashing one

- Disappearance of any error codes on the display

Your boiler may go through a startup procedure, which can involve unfamiliar sounds. This is normal and should subside once the boiler reaches its operating temperature.

If the reset doesn't work, consider these troubleshooting steps:

Check Power and Gas Supply

Ensure your boiler has both electrical and gas supply. Check your fuse box for tripped switches and verify that your gas meter is operational.

Check Water Pressure

Low water pressure can prevent your boiler from functioning correctly. Locate the pressure gauge on your boiler and ensure it reads between 1 and 2 bar. If it's below this range, you may need to repressurise your system. Consult your manual for specific instructions on this process.

Remember, frequent resets indicate an underlying issue that requires professional attention. Regular maintenance and annual servicing by a Gas Safe engineer can prevent many common boiler faults and ensure your heating system operates efficiently and safely.

Get In Touch

For expert help with your boiler, get in touch with our heating engineers in Chesterfield by calling us on 07891 817026.