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Last updated: 29th April, 2024

Guides

Ideal Fault Code - L2 on Boiler

Ideal Fault Code - L2 on Boiler

Key takeaways

  • An Ideal L2 error code can be caused by several issues with your boiler, including: frozen condensate pipe, faulty components and insufficient gas supply.
  • Gas Safe qualified engineers should always be trusted to identify and remedy boiler issues.
  • In many cases, upgrading your old boiler to a new, robust one is the best strategy.

Facing an Ideal L2 boiler error code? iHeat, an online boiler installation company, explains its causes, steps to fix it, why a qualified engineer is critical for the task, and why upgrading to a new boiler could be beneficial.

In today's modern world, where homeowners have the opportunity to maintain comfort and convenience through a range of automated systems, boilers have become an essential aspect of that domestic ease. 

However, these useful devices come with their share of issues, and boiler error codes are one of them. 

Amongst many error codes, the Ideal L2 boiler error code seems to cause significant confusion among homeowners. If you own an Ideal boiler and have stumbled upon the L2 error code, there's no need to worry. 

As an online boiler installation company, iHeat is dedicated to providing homeowners with useful information to tackle such boiler-related issues effectively.

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What Does l2 Fault on Boiler Mean?

When your boiler's display flashes the L2 error code, it indicates an ignition fault. In other words, your Ideal boiler is struggling to ignite and provide your home with the much-needed heat. 

This error might appear to be a minor issue during the summer months, but as the weather turns colder, a non-functioning boiler becomes a significant inconvenience.

What Causes l2 Fault on Boiler?

The L2 error code can occur due to several reasons, but it usually points to the following causes:

Frozen Condensate Pipe

The condensate pipe, responsible for carrying waste condensation from the boiler to an outside drain, can freeze during cold weather. This blockage can cause the boiler's ignition process to fail, resulting in the L2 error code.

3

Faulty Ignition Leads or Electrodes

Ignition leads and electrodes play a pivotal role in firing up the boiler. If they're faulty or have worn out over time, the boiler might fail to ignite, leading to the L2 error.

Insufficient Gas Supply

A boiler requires an adequate gas supply to ignite properly. If there's a gas supply issue or if the gas flow to the boiler is inadequate, it can lead to the boiler failing to ignite, causing an L2 error code.

Fixing the Ideal L2 Boiler Error Code

It's important to remember that dealing with boiler issues can often involve complicated procedures. 

It's usually recommended to seek professional assistance, especially when working with internal boiler components, to prevent exacerbating the problem or voiding your boiler's warranty. Here are some steps you can take to address the L2 error:

Reset the Boiler

A simple reset can sometimes resolve the L2 error. This is akin to rebooting your computer, giving your boiler a fresh start. However, if the L2 error keeps reoccurring after resetting, it indicates a more serious issue requiring professional intervention.

Thaw the Frozen Condensate Pipe

You can attempt to thaw the frozen condensate pipe. Using a hot water bottle, a heat wrap, or a warm cloth, you can gradually melt the ice within the pipe. 

However, remember to be cautious during this process. If you're unsure or uncomfortable, it's best to call a professional.

If these steps fail to resolve the issue, it's wise to contact an engineer who can safely and efficiently diagnose and fix the problem.

Who to Call to Fix l2 fault on boiler

Fixing a boiler is not a simple do-it-yourself project. Though some fixes may seem straightforward, it's always safer and more effective to involve a Gas Safe registered engineer

The intricate inner workings of a boiler involve complex parts, delicate mechanisms, and hazardous elements like gas. If mishandled, these elements can lead to further complications, unnecessary expenses, and potential safety risks.

Besides, working on a boiler without the proper qualifications can void your warranty, leaving you financially liable for any resulting damages. 

Therefore, whenever your boiler displays an L2 error code, it's most wise to call a Gas Safe registered engineer. Their expertise allows them to diagnose the issue accurately and provide a comprehensive and safe solution, saving you from future boiler trouble.

4

The Benefits of Upgrading Your Boiler

If your boiler repeatedly displays the L2 error code or any other fault code, it may be time to consider an upgrade. Here at iHeat, we believe that a new boiler can offer numerous benefits:

Enhanced Energy Efficiency

Newer boilers are designed to be more energy-efficient. Upgrading your boiler can help you reduce your energy consumption, leading to significant savings on your heating bills.

5

Improved Reliability

Modern boilers are less prone to faults and breakdowns. An upgrade gives you peace of mind knowing you have a reliable boiler that won't leave you in the cold.

Cost-Effective in the Long Run

While the initial cost of a new boiler may seem high, the long-term savings on energy bills and repair costs can make it a worthwhile investment.

Easy Installation

With iHeat's online boiler installation service, getting a new boiler is hassle-free. We offer transparent pricing, convenient scheduling, and professional service, making boiler installation a breeze.

Boiler Types

Combi

Combis or combination boilers, combine all components and aspects of a heating system (central heating and hot water production) into one succinct and powerful unit.

Their economic size, quick flow rates and dual functionality means combis are extremely efficient and effective when heating a multitude of property sizes, being best suited for small to medium sized homes with 1-2 bathrooms.

System

System boilers perform best in homes with a high hot water demand, specifically either larger properties with a higher number of residents or properties with two or more bathrooms. 

System boilers store hot water in a separate cylinder which provides constant flow access but requires additional (minimal) storage space.

System boilers can service multiple flow outlets at one time, meaning no one in a larger home would be standing around waiting for a shower.

Heat Only

A heat only boiler provides the heat for a home's central heating system and hot water cylinder. A heat only boiler is suited to servicing larger properties with multiple bathrooms/radiators or a business premises with a high water demand. 

Heat only boilers do require sufficient installation space within a property, as they use two storage tanks (feed & expansion) as well as the aforementioned hot water cylinder. 

Although a combi is generally considered more space saving, a modern heat only boiler is still compact and can supply more bathrooms with hot running water than a combi can.

iHeat Boiler Servicing

At iHeat all of our subcontracted engineers are Gas Safe registered and can service your boiler swiftly and safely. Prices of an expert boiler service with iHeat start from £99.These figures might fluctuate regionally and can also depend on the specific type of boiler you own, such as a combi, gas, or oil boiler. 

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iHeat New Boiler Costs-

Boilers can be a daunting purchase for many people as they’re an appliance with a lot of responsibility, providing heat for you and your family is something you want to get right. Boilers aren’t exactly a quickly disposable item either, potentially lasting you a decade.

Effectively, new boiler cost can be split into two segments: the first is the actual boiler itself (unit price), and the second is the cost of the boiler being installed (set up) in your property by an expert engineer. 

Here at iHeat, we want to remove all of this undue stress and make the decision making process of upgrading to a new central heating system, as easy as possible.

Boiler costs can vary depending on a number of factors including their brand, model, fuel, output, warranty, labour and installation type. Typically a new boiler will cost between £1,845 and £3,500, below is a list of average boiler installations offered by iHeat (guide only).

Installation Type

Price (inc VAT)

Combi to combi swap

£1,845

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System to combi conversion

£2,499

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New boiler install

£2,899

Get a quote

Back boiler to a combi

£3,299

Get a quote

System to system

£1,945

Get a quote

Conclusion

Coming across an error code like the Ideal L2 on your boiler can be quite daunting, but having a basic understanding of the problem can ease this discomfort. 

While it's always recommended to call in a qualified engineer to handle any boiler issues, being informed about the error can make the whole process less intimidating.

In some cases, the appearance of the L2 error code, especially if it's a recurrent issue, may signal that it's time for a boiler upgrade.

At iHeat, we're here to assist you throughout this process, providing a seamless online boiler installation service and a selection of modern, energy-efficient boilers to choose from. While a new boiler is a significant investment, the benefits it offers, from energy efficiency to reliability and long-term savings, make it a wise choice for the modern homeowner.

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Frequently Asked Questions

How Do I Fix L2 Error on Ideal Boiler?

The L2 error code on an Ideal boiler indicates a flame loss, meaning the boiler attempted to ignite but could not sustain a flame. To troubleshoot:

  • Reset the Boiler: Often, a simple reset can clear the error. Turn the boiler off and then on again, or use the reset button if your model has one.
  • Check Gas Supply: Ensure your home's gas supply is on and functioning. If other gas appliances are also not working, there may be a broader issue.
  • Inspect the Flue and Air Intakes: Blockages can prevent the boiler from igniting properly. Ensure these are clear.
  • Professional Help: If these steps don't resolve the issue, it's best to call a qualified heating engineer. The problem could be due to a faulty ignition, gas valve, or another component that requires professional diagnosis and repair.

What is the Code L2 Fault?

The L2 fault code specifically points to a flame loss in your boiler. This can happen for various reasons, including issues with the gas supply, flue blockages, or component failures. It's a common code across several boiler brands, including Ideal, indicating the boiler detected a flame but then lost it unexpectedly.

How Do You Fix a Flame Loss on an Ideal Boiler?

Fixing a flame loss involves several steps, including resetting the boiler, checking the gas supply, ensuring there are no blockages in the flue or air intakes, and inspecting the ignition leads and electrodes. If simple troubleshooting doesn't work, the issue may be more complex, such as a faulty gas valve or control board, requiring professional repair.

Can I Fix an L2 Boiler Fault Myself?

While you can attempt basic troubleshooting, such as resetting the boiler or checking the gas supply, many causes of an L2 fault require technical knowledge and tools for safe repair. If simple resets don't clear the fault, it's advisable to contact a professional heating engineer to avoid risking further damage or safety issues.

How Do You Reignite an Ideal Boiler?

To reignite an Ideal boiler, you can typically use the reset button or switch the boiler off and then back on. This process can clear temporary faults and attempt a new ignition cycle. If the boiler doesn't reignite or consistently displays a fault code, further investigation by a professional may be necessary.

Where is the Restart Button on Ideal Boiler?

The restart or reset button on an Ideal boiler is usually located on the boiler's control panel. The exact position can vary by model, but it is often clearly labeled and accessible without needing to open the boiler casing. Consult your boiler's manual for specific instructions on locating and using the reset feature for your particular model.

Stephen Day profile photo
Article by
Stephen Day | Co-founder
Gas Safe registered and FGAS certified engineer with over 20 years experience in the heating and cooling industry.