What Does the L2 Fault Mean on an Ideal Boiler and How to Fix It

Sometimes, you may see a fault code on your boiler system. Since most of us aren’t boiler system experts or plumbers, seeing an L2 code can be a perplexing experience.

If you want to know everything about the L2 error on your boiler system, you can set things right. Here is a brief guide on the L2 fault on a boiler. Read this till the end.

What Does L2 Mean on a Boiler

If your boiler has stopped working or is not working optimally, it will generally show a fault code. You will see that the fault code is being displayed so that we can identify what is causing the problem. Finding the exact cause helps us to start a rectification process.

It would help if you kept in mind that different models of boilers may show different fault codes. Latest boilers, like gas combi models, can show several codes, all of which may have different meanings.

If you have run into a situation with an error code, don’t worry; you can likely fix it yourself if you have enough knowledge. However, you should never try to fix a fault code if you don’t understand what it means. If you run into a difficult situation, always let an expert deal with it.

Also Read: – glow-worm boiler pressure too high

What can I do to avoid Ideal Fault Code L2?

The best way to ensure you don’t see an L2 boiler fault code is to maintain your boiler system regularly. It would help if you made it a point to get your boiler system serviced and checked regularly so that any issues are caught early and resolved immediately by a certified engineer.

A professional engineer will not only service your boiler system but also find any issues your heating system may face. They will also clean the system to ensure you don’t face any new problems soon.

I have been ignoring the Ideal Fault Code L2 – How do I fix it now?

If you have been completely ignoring the ideal L2 fault, then be prepared to spend a lot of money on getting a new, more efficient boiler. Getting a new boiler is expensive, but you should replace your boiler every ten years. However, if you are having recurring issues with a system that is not very old, consider replacing it with a newer model.

Also Check: – local boiler repair

Complete List of Ideal Boiler Fault Codes

Error code: L1

System behavior: Lockout of the heating system due to overheating/ no water flow

Solution: Make sure that the water flow is secured. Ensure that the pressure is set correctly and reset the boiler if needed. The system locks out to avoid extensive damage due to overheating. If you can’t resolve the problem, call a Gas Safe Engineer.

Error Code: L2

System behavior: Ignition lockout

Solution: You need to check a few things in this situation. Check whether the gas valve is open and the gas supply is uninterrupted. Take a look at the gas supply and the pilot light. Call a Gas-safe engineer if the problem is not resolved. 

Error Code: LC         

System behavior: 5 boiler resets in 15 minutes

Solution: Try switching the electrical supply off and on. If your boiler still doesn’t work usually, call your boiler service provider or an engineer.

Error Code: L6          

System behavior: False flame lockout           

Solution: The first thing you need to do when you see this cold is reset your boiler. It would help if you noticed any problems with the flame detection system. If the issue still needs to be resolved, call a certified Gas Engineer.

Error Code: F1

System behavior: Low water pressure

Solution:

1. See if the boiler pressure is optimal.
2. If not, refill the boiler and set its pressure at 1.5 bars.
3. Make it a point to regularly check for signs of leaks and get them fixed immediately.

Error Code: F2, FN or LN

System behavior: Flame loss

Solution: Check if your gas supply is sufficient and whether other gas appliances in your house are working as usual. If one or several gas appliances are not working, you can assume that there is an issue at the supply level. You may check your meter or see if your prepaid meter has sufficient credit. If the gas supply is intact and the boiler is still not working, call your boiler system provider or service engineer for immediate support.

Error Code: F3

System behavior: Fan Fault

Begin the inspection by checking if the fan is working as it should. Your fan may need cleaning or replacement if it’s not working optimally. If the problem is not resolved, you must call a Gas Safe Engineer to get this fixed.

Error Code: L4 or F4

System behavior: Control / no flow thermistor fault

Solution: You can only try to fix this error code by restarting the boiler. If the boiler still doesn’t work after restarting,  you must contact the manufacturer if the product is under warranty. If it is not under warranty, call a Gas Safe Engineer.

Error Code: L5 or F5

System behavior: Return thermistor fault

Solution: You need to restart your boiler to fix this error code. If it doesn’t work, you have an option other than calling a Gas Safe Engineer or your manufacturer if your product is under warranty.

Error Code: F6

System behavior: Outside sensor fault

Solution: To fix error code F6, try restarting your boiler. If this doesn’t fix the error and your boiler fails to work, contact your manufacturer for under-warranty products. Call a certified Gas Safe Engineer if your product is not under warranty.

Error Code: F7

System behavior: Low mains voltage

Solution: Since this concerns mains voltage, you must contact your electricity provider.

Error Code: F9, L9, F8 or L8

System behavior: Printed circuit board (PCB) is unconfigured or faulty

Solution: Since this fault is completely internal, you must contact a certified gas-safe engineer.

Error Code: FU

System behavior: Water circulation issue

Solution: You need to see if there is an issue of water circulation due to an airlock or blockage. You can correct this by checking whether the isolation valves are open. If the problem is not resolved, you may call your manufacturer or a Gas Safe Engineer.

Also Check: – local power flushing

Ideal boiler l2 Fault Code Fixes

If you are facing the Ideal L2 Boiler Fault Code, you can try the supreme solution to every problem, i.e., turning the power off and switching it on again. If the fault code is not resolved, you need to dig deeper.

If you see an ‘L2 – Ignition Lockout’ code on your boiler during winter, you may have a problem with a frozen condensation pipe. This won’t happen during the summer so you can forget about this problem for a few months.

When trying to resolve the cause of the Ideal L2 Boiler Fault Code, it is suggested to seek the assistance of a registered Gas Safe Engineer. They will be better equipped to understand whether the components need replacement or if there are other issues.

What Can You Do To Fix Ideal Fault Code L2?

The best thing you can do for your boiler is keep it serviced and maintained regularly. Make it a point to schedule a service at least once a year. You can not resolve the Ideal fault code L2 yourself. Call a certified Gas Safe Engineer right away.

Ideal L2 fault – Intermittent Error

This fault code can be fixed sometimes. Reset and restart the boiler. This should be your first act in the course of action. If the problem isn’t fixed, you may have to get the boiler serviced.

How to fix this error?

You must turn the Mode Dial on the boiler unit to “Reset.” Hold this button down for three seconds, and the boiler will reset.

New boilers get a direct “Reset” button under the display.

Most of the time, doing this will resolve the intermittent error code.

There are other reasons why your boiler system may have stopped working. Ensure you have a proper electric supply and that all fuse boxes stay on track. Check whether your thermostat isn’t facing any issues. If your thermostat cannot identify the right temperature, it may cause the boiler to stop igniting. So, you need to ensure that your thermostat is working correctly.

Also Check: – New Boiler Installation in London

Reasons for faulty Flame/Ignition of your Ideal Boiler

There are several reasons why your boiler’s flame may not be igniting.

These are some of the most prevalent causes of a faulty or failing flame:

–        Flame sensor failure

–        Gas valve fault

–        Low gas pressure

–        Condensate pipe blockage

–        Gas meter blockage

There may be instances where the problems persist even after trying everything mentioned in this guide. You don’t have to worry, as you can contact us anytime. Our representatives will try to solve your problem and provide all possible assistance.