Baxi Boiler E135 Fault Code Explained

If you're seeing an E135 fault code on your Baxi boiler, you're dealing with an internal gas supply interruption. While this isn't typically related to your external gas supply, it's a serious issue that needs professional attention. You can try a quick reset by turning the selector switch to 'R' for 5 seconds, but since this error involves your boiler's gas handling system, it's essential to have a Gas Safe registered engineer check it out. Don't attempt DIY repairs on gas-related issues – your safety comes first. Let's explore what's really going on inside your boiler and the steps you'll need to take.

Key Takeaways

• The E135 fault code on a Baxi boiler indicates an internal gas supply interruption requiring professional diagnosis and repair.
• A simple reset can be attempted by setting the selector switch to 'R' for 5 seconds before calling an engineer.
• This fault requires a Gas Safe registered engineer as it involves the boiler's internal gas system and safety components.
• The error isn't typically related to external gas supply issues but indicates problems within the boiler's complex internal mechanisms.
• Regular maintenance by qualified engineers can help prevent E135 faults and ensure safe boiler operation.

What Does The E135 Fault Code On A Baxi Boiler Mean?

The E135 fault code on your Baxi boiler signals an internal gas supply interruption that's preventing normal operation.

When you're troubleshooting this issue, it's important to understand that this isn't your typical gas supply problem from outside – it's actually happening inside your boiler's system.

Think of it like your boiler is telling you, "Hey, I've got an internal hiccup with my gas flow!"

While you might be tempted to try resetting your boiler as a quick fix, this particular fault code usually needs professional attention.

As one of the most common boiler troubleshooting tips we share with our customers, we always recommend getting an expert to take a look when you see this code, as it could indicate a more serious internal issue that needs proper diagnosis.

What Causes The E135 Fault Code?

Root causes of the E135 fault code typically stem from internal gas supply problems within your Baxi boiler's system.

When you're seeing this error, it's pointing to an interruption in how your boiler's handling its gas supply, which isn't something you can fix yourself.

The tricky thing about system faults like E135 is that they're often linked to more complex issues within your boiler's internal workings.

You might be dealing with a PCB (that's the printed circuit board – think of it as your boiler's brain) problem, which definitely needs expert attention.

Unlike simpler issues you might encounter, such as low pressure or blocked pipes, this fault code signals it's time to call in a professional.

Don't worry – it's not uncommon, and a Gas Safe registered engineer will know exactly what to look for.

How Do You Fix The E135 Error Code On A Baxi Boiler?

Fixing an E135 fault code on your Baxi boiler starts with a simple reset procedure, which can often resolve the issue without requiring professional intervention.

As part of your regular boiler maintenance tips, you'll want to locate the selector switch, turn it to the 'R' position, and hold it there for at least 5 seconds before releasing.

If the reset doesn't solve the problem, don't worry – there are a few more steps you can try.

Check your gas supply by seeing if other gas appliances are working properly, and verify your prepayment metre has credit if you use one.

While these DIY fixes often work, if the error persists, it's time for proper gas safety checks from a qualified engineer.

Get Your Baxi Boiler E135 Problem Repaired By A Professional

Don't take risks with gas-related boiler faults – book a Gas Safe registered engineer today to diagnose and repair your Baxi boiler's E135 error code.

Book your repair appointment online in just a few clicks to get your heating system back up and running safely and efficiently.

Our qualified engineers are available for emergency callouts and scheduled maintenance visits.