Even boilers have their bad days. Many different kinds of faults can develop with your Ideal boiler. Certain Ideal boiler problems lead the boiler to go into a safety lock-out mode after which fault code information is generated on the display. With proper Ideal boiler troubleshooting, you can identify different Ideal boiler fault codes and find an adequate solution.
Ideal Boiler Fault Codes
Whether you have an Ideal instinct boiler, an Ideal Icos boiler or an Ideal Mexico boiler, there are many fault codes you need to be aware of. These include the following:
1. F Fault Codes:
F Fault Codes
L Fault Codes
C Fault Codes
Other Faults
Fault Code | Solution |
| This is an issue with the installation of your boiler. You could try to solve this fault by repressurising your boiler, however, if this doesn’t help, we recommend you call your installer to inspect your heating system and fix the issue. |
| The Ideal boiler F1 issue can usually be fixed by yourself by topping up your boiler’s water pressure to 1.5 using the built-in filling loop. If you still find that there are issues, you might need to contact a Gas Safe registered engineer. |
| Ideal boiler flame loss can be fixed by first, checking your other gas appliances and trying to reset your boiler. This kind of fault tends to occur with very old boilers that are working at low efficiency, so it may be worthwhile to simply invest in a new boiler. |
| This fault will require the help of a qualified engineer. Given that this problem can be due to different causes, costs might vary. |
| This fault will require professional help so calling a Gas Safe registered engineer is the right course of action. |
| This fault also requires the attention of a Gas Safe registered engineer. |
| If your weather compensator recently got fitted, this fault might be due to its installation. If this is not the case, you need to call a qualified engineer to deal with the problem. |
| If your voltage drops below 190 vac, it means you might need to contact your installer but since this is an electrical problem, you might need the help of an electrician. |
| Repairing this fault could be expensive. In this case, you might want to invest in a new boiler altogether. |
2. L Fault Codes:
Among the Ideal Logic combi 30 faults, there are many L fault codes. 
| Fault Code | Solution |
| Reset your boiler to solve this issue. If this does not work then you should contact a qualified engineer. Overheating is usually an issue that happens with less efficient and older boilers, so investing in a new heating system might be a good idea. |
| To fix the Ideal boiler ignition lockout, you might need to reset your boiler. If there is rumbling from the system, your condensate pipe might be blocked or there might be a problem with your flue. This type of fault requires a call to a qualified engineer. |
| This is a complicated fault that requires a call out from a qualified engineer. |
| Check the system’s pressure reading, you might also need to bleed your radiators and check if that helps. If it does not, you should contact a Gas Safe registered engineer as overheating could be due to a deeper issue with the boiler’s pump or dry fire stat. |
| Check to see if the other gas appliances are working at your house. If so, reset your boiler. If there is a rumbling sound from your boiler, it could be due to a blockage in the condensate pipe. To fix this issue, contact a qualified engineer. |
| To solve this issue, turn the boiler’s power off and then turn it back on. If the problem persists, seek the help of a qualified engineer. |
| Reset the boiler to solve this issue. If it still fails to operate, and your system has a warranty, you should contact your manufacturer for help. |
3. C Fault Codes:
| Fault Code | Solution |
| Try to reset your boiler. If this does not solve the issue, contact a Gas Safe engineer. |
| To fix this problem, seek help from a qualified engineer to check the radiator circulation and thermostat. |
4. Other Faults:
| Fault | Solution |
| This means that there is a blank boiler display. To fix this, ensure that the mains supply of the boiler is on and that no trips have operated in the consumer unit. |
| Problems like kettling are common with central heating systems. A rattling or humming sound could indicate issues like high pressure or loose components. To fix this, try repressuring the boiler or check the system for loose components. In case either of these measures does not help, get help from a repair team. |
| Ideal boiler status 0 means that the boiler is on standby mode, awaiting either a request for hot water or central heating. |
| This might be because of the inefficiency of your boiler, or your energy bill might be impacted by the way you use your heating. To fix this, check your boiler’s efficiency label. To solve this sort of problem, investing in a brand new heating system might be the right idea. |
Conclusion
If you see any of these Ideal boiler error codes flashing on the boiler display, you know that your boiler needs some help. Depending on the type of error code, you are now well equipped in dealing with them. If it’s a serious fault, you may need the help of an engineer. However, in some cases, the boiler may be beyond repair and you will need to get it replaced.
Get a new boiler
today!
Get your new boiler and save your heating bill yearly with new energy efficient boiler.
Frequently Asked Questions (FAQs)
Why is my Boiler Flashing E1?
This is a lesser-known boiler error code but if displayed, it means the pressure on your boiler has dropped and a water leak is stopping your system from functioning properly. In this case, you will have to repressurise your system to fix this problem.
Why is my Boiler Flashing F?
The Ideal boiler error code F is a common fault, displayed when your boiler has low water pressure. This is luckily an easy problem to fix yourself.
What do the numbers on my Boiler mean?
The numbers on the dial of the boiler are usually marked from Minimum to Maximum. This displays the water temperature that will be pumped from the boiler. If it is set higher, the system will heat your home faster and more effectively.
What does L2 Fault mean on an Ideal Boiler?
The Ideal boiler L2 fault means there is flame loss or some issue that can lead to a lockout. This can happen during operation due to low gas pressure, faulty gas valve, or flue sensor.
How do I restart my Ideal Boiler?
When you get directed to restart your boiler due to the listed fault codes, press the “RESTART” button (F). Your boiler will then repeat its ignition sequence. If the boiler still does not start properly, consult a Gas Safe Registered Engineer.
What does Status “C” mean on a Boiler?
The Ideal boiler status “C” means your boiler has a central heating demand. This issue can be resolved by pressing reset on the boiler – you will not have to turn the boiler off at the wall for this.
