Quick Guide Ferroli Boiler Fault Codes And Fixes

Is your Ferroli boiler on the blink? It’s common that ever so often your boiler might display an error code, it happens and it doesn’t always mean that you’ll need to call a repairman or need to replace the boiler, a lot of the errors can be fixed simply with a reset.

Ferroli boilers are typically very reliable, but they do from time to time display error codes, just like any boiler. In this article, we’ve had an in-depth look at everything in relation to Ferroli errors from how to reset it to each individual error code and what it means.

As you can image, there are a lot of different Ferroli boilers, so this article is rather large. You can navigate to the section that best suits your query by clicking the below links:

• • Ferroli boiler error code guide
  • Most common Ferroli fault codes
  • Ferroli boiler fault code list

Ferroli Boiler Troubleshooting: Some Common Questions

Have you had an issue with your Ferroli boiler? In this section of the article, we’ll be touching on a few common problems and fixes before we dig into the individual codes.

How do you reset a Ferroli boiler?

Most Ferroli boilers have an easy to use reset switch, it should be located on the front of the boiler & you simply hold it down to reset the boiler. Although some Ferroli boilers have it in different locations.

All boilers will have a reset button and in most cases you simply have to push and hold the button for 10 seconds, wait for the boiler to do it’s thing and ignite. Make sure that you don’t keep clicking the button over and over as this can cause further issues with the boiler and lead you to having to call a boiler engineer.

You can tell when the boiler has fully reset because it should have the flame ignited and hopefully your error code would have disappeared.

What pressure should a Ferroli boiler be at?

Your Ferroli boiler, no matter what type it is, should have a pressure between 1.0 and 2.0 bars. If it drops below the 1.0 mark, you will then need to repressurise it. If this continually happens, it often means that you have a leak somewhere in your system, which you can try to locate yourself or call a boiler engineer.

How do I repressurise a Ferroli boiler?

All boilers work the same when it comes to repressurising them, it’s quite simple to do and you should be able to DIY. Here’s a quick step by step guide on what you should do:

1. Completely switch the boiler off and let it cool down
2. Check that both ends of the filling loop are securely attached
3. There should be two valves, open them & allow it to fill with cold water – it should make a noise and you should see the pressure rise
4. Close both valves & turn the boiler back on
5. The boiler may need resetting

How long does a Ferroli boiler last?

Ferroli are a reliable manufacturer of boilers & it should last the test of time as long as you regularly service and maintain it. A boiler that is regularly serviced should last you anywhere between 10 and 15 years, so if your boiler is only a few years old and has a fault, it’s often just a reset or repair rather than a replacement job.

Most common Ferroli Boiler fault codes

Although there are several different fault codes your Ferroli boiler can display there are a few that regularly crop up time and time again. Before reading through the rather large list of fault codes in the next part of this post, we’ve pulled together some of the most common & how to fix them for you below to save you some time:

• FH Error Code: FH can be one of two things, the flame detection electrode or a faulty PCB – you’ll need a boiler engineer but the later of the two is an expensive fix!
• D1 Error Code: This is often an issue with the diverter valve, and will require a boiler engineer but it should be a relatively quick and inexpensive fix.
• AO1 Error Code: This is an ignition error, it can be caused by quite a few things such as an electrode fault, excessive condensation, little to no gas supply or a power fault. You should check your gas supply and reset the boiler, but if the problem persists you will need to call a boiler engineer.
• A51 Error Code: The A51 error is a poor combustion fault, and unfortunately this is another one where you will need to call a boiler engineer.
• T5 Error Code: This is to do with the PCB, but it shouldn’t need replacing. Simply hold down the reset button until T5 appears, press reset a further time and then you should see it say P01 after which press the button for heating temperature and that should fix the issue.

Ferroli boiler fault code list

In this section, we’ll go into depth on all the various fault codes, a description of the issue and what you can do about it. Each Ferroli model series has a different set of fault codes, so we’ve split it out in that way.

So to find your fault much quicker, click on what Ferroli boiler model you have:

• Ferroli Bluehelix Tech
• Ferroli Modena HE Combi
• Ferroli Modena HE System
• Ferroli i Series

Ferroli Bluehelix Tech

The Bluehelix boiler range by Ferroli is focused on quality and longer life span, with it containing fewer components there’s a lot less that can go wrong, the cost of replacing parts on this boiler is generally cheaper as well. That being said, here are the main fault codes of this type of boiler:

Ferroli Modena HE Combi

This is one of their largest ranges and most commonly used in homes, they generally get good reviews and are a trusted range. There reliable and easy to maintain, they also have no plate to plate heat exchanger/diverter valve, which means less to go wrong. Here are the error codes this model series can display:

Ferroli Modena HE System

This model series is the same as the above, but the system version as opposed to combi. Just like the combi model, these are known as reliable and trusted. Here are the error codes that can be displayed on Modena HE system boilers:

Modena system boilers have the same error codes as the combi version with the exception of the part numbers being slightly different.

Ferroli i Series

The i series boilers are any boilers in the range that are simply called i[kw number]. These are generally compact boilers and are reliable and extremely efficient. There generally a bit cheaper than other models and therefore might not last quite as long. Here are the error codes you can get from the i series boilers:

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