Have you ever noticed that your boiler starts playing up just as the weather starts turning cold and you’re looking forward to that hot bath? It’s happened to the best of us, but the good news is that the next time your boiler appears to be on the blink, you might not have to get the engineer out. There are a number of minor boiler errors that can and easily (and quickly) be fixed at home. Here’s how:

Just like your car dashboard, your boiler will display an error symbol or code if there’s something not quite right. The trick to fixing your boiler is to understand what these codes mean, and what needs to be done to get everything working smoothly. And the good news is, it’s not as difficult as it seems! In most cases, the error code displayed on your boiler will begin with the letter ‘E’. This indicates an error. The ‘E’ will usually be followed by a series of numbers that help to identify the exact issue.

‘E’ Error Codes

‘E’ error codes on boilers are very diverse, but they can be divided into 3 different categories that tell you if the problem is something that can reasonably be rectified at home.

Category 1: E + 2 numbers

Example: E10

If the error code displayed on your boiler shows an ‘E’ followed by 2 numbers, such as E10, for example, the best option is to call an engineer. These error codes suggest that there is a problem with the boiler’s internal sensors, such as the temperature sensor, which can be difficult for homeowners to solve. Fortunately, it is often a very quick job for an engineer.

Category 2: E + 3 numbers

Example: E110

If the error code displayed on your boiler shows an ‘E’ followed by 3 numbers, such as E110, for example, you may be able to solve the problem at home without needing to call an engineer. Here are some of the most common errors that can be fixed by homeowners:

E110, E125, E131: These 3 separate boiler error codes indicate overheating. To resolve this, bleed your radiators of air and reset the boiler. The error code should then disappear.

E119: This boiler error code tells you that there is a problem with the water pressure in the boiler system. Add water until the pressure gauge indicates a healthy water level.

E133: This error code tells you that there is a problem with the gas supply to the boiler. Ensure gas is connected and reset the boiler. You may need to call an engineer if the problem persists.

Category 3: Errors between E151 – E167

If the error code displayed on your boiler shows an ‘E’ followed by numbers between 151 and 167, it may be best to call an engineer to resolve the issue. These error codes can sometimes suggest internal sensor problems, but are also indicative of programming errors which cannot be rectified by homeowners. If a reset fails to help, give an engineer a call and arrange a visit.

The good news is that boilers are actually very simple, which means there’s not much to go wrong. And when they do go wrong, you may be able to quickly sort the problem out yourself without needing to call your gas company. However, remember to only meddle with your boiler if you’re confident that you know what you’re doing. If there’s ever any doubt, or if you see an error code that isn’t covered by this guide, always call an engineer for assistance.

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