How to reset biasi boiler?

With over 74 years of manufacturing experiences, Biaisi is providing best quality and highly efecient boilers to the users. This Italian company always stood for the innovation and advancement in their products and has set the standards for all of their ranges. Biasi believes in providing best customer satisfaction to the users with their compact and wall hung units.

In 1986, for expanding the range gas boilers have been added to their manufacturing range. And since then, they have serve no less than 40 markets across the globe. The boilers manufactured by the company are thoroughly checked to ensure the quality and performance of the boilers. Biasi has now been one of the leading suppliers to the heating industry throughout the British Isles. Now, the Biasi provides an imitable heating solution to the users. Also the company is associated with reputed socities such as Gas Safe, HHIC and the ECT.

Though the company manufactures its entire product with high quality and safety, but sometimes the boiler gets faulted. One of the faults is boiler lockout. Now you might be thinking what is boiler lockout?

What is 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.

What happens when boiler gets 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 are the common faults that lead to 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.

These are some of the problems which can cause the fault in your boiler. Your boiler can lockout due to these reasons. But not to worry we have a solution to this fault. You just need to reset your boiler to make the boiler work in the proper condition.

You might be thinking how to reset the biasi boiler? It is not a difficult job. You just need to follow some simple steps:

  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 biasi 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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