How to reset baxi boiler?

Baxi is one of the brands which has its roots from 1866 and has a UK network of over 200 skilled engineers. Baxi has always focused on innovation, technology and excellence. Not only this, Baxi as a brand represented ten of the UK’s and Ireland most well-known suppliers of high efficiency heating and hot water products. However the BDR Thermea has established itself as one of the most successful European manufacturer of domestic and industrial appliances and is a firm that was constructed from the merger of Baxi and De Dietrich Remeha in 2009. This particular organization, with 6400 employees shares across the major continental territories and United Kingdom.

With its headquarter in Apeldoorn, Baxi has proven itself to be one of the leading and affordable brand in the heating industry worldwide with a turnover that has exceeded the mark of €1.2 billion.

The organization has successfully made its way through the European market by getting the trade with some of the reputed brands of UK and Ireland including Potterton, megaflo and many more brands in the recent year.

This brand has made its name in the global market with its sense of customer understanding, longevity, affordability and reliability that has benefited the company with its annual market growth and increased brand reputation.

Though the brand takes care of the quality and performance of the boiler, but sometimes the boiler gets lockout. And to take back the boiler situation, you need to reset the boiler. Don’t worry we know you might be thinking how to reset baxi boiler? But first understand what does boiler lockout means?

About boiler lockout

A boiler lockout is the condition when the boiler gets shut-down and doesn’t work within the certain tolerance.

The possibilities of the boiler lockout could be due to low/high water pressure, no fuel or a blockage in the system.

How you get to know that boiler has got lockout?

Red or green lights start flashing and will make let the boiler to shut-down. However in the new modern boilers, the fault can be seen on their display screen.

What is the reason behind the boiler lockout?

  1. Faulty pump – Pump can blow seals or seize.
  2. Low/high water pressure – though 1.3 bars is normal and most of the boilers lock out if they get below 0.6 bar or above the bar. However for specified bar you can check your boiler manual.
  3. No electricity– with no power, it could be due to the failed display board , a blown fuse or a tripper electric.
  4. System blockage – most of the times in cold wintery days, the pipes get freeze and thus results in the system blockage.
  5. Ignition – most of the boiler filed after 3 continuous ignitions attempt. So , check the ignition leads and probe.
  6. Heat exchanger blockage – if you hear any whistling noise coming from the boiler, then there is chance that there is lime scale build up on the heat exchanger which needs to be cleaned.

Now you need to reset the boiler

How to reset a baxi boiler?

  1. Diagnose and fix the fault

You will need to diagnose the fault code before moving to the reset option. As sometimes multiple resetting will lead to a bigger fault in the boilers.

  • Go to the reset button

Mostly the new and updated boilers have the reset button on the boilers display. This will be located where the fault code is being displayed.

  • Press and hold the reset button

Now you need to press and hold the button for around 3- 10 seconds

  • Wait for the boiler to fire-up

Boilers take time for the ignition after the reset as they need to go through a reset sequence. Therefore, this could consume 5-10 minutes. Wait patiently.

This can really help you to get the solution of your major question how to reset a baxi boiler.


If you are sure that you have taken all the steps in the correct way and then also your boiler is not getting reset, than don’t waste the time call an engineer.


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