Ideal Repair Specialist

At Repair Network, you’ll always find experienced gas-safe engineers who can offer service and repair for your Ideal boiler.
Enjoy same or next day service, nationwide coverage, fixed cost repairs and a one year guarantee.

Book a Repair

Ideal Boilers

Ideal boilers are available as combi, system and heat only models.
Since 1906, Ideal has been meeting the needs of its domestic clients with high-quality boilers that keep customers and innovation in mind. In the 100+ years since the first boiler was sold, Ideal has focused on the latest technology and the best customer service available in the industry.
As a popular UK brand, Ideal is committed to Corporate Social Responsibility and environmentally friendly products and services.
Ideal boilers have a variety of options for warranties and also offers service options to keep your boiler in top operating condition.

Do you own any Ideal Boiler?

Require some form of repairs!

Book a certified technician with the tools and experience to repair all your Ideal Boiler!

03333449104

Available 9 AM to 7 PM

Same day or next day repair

Why Repair Network Nationwide?

When your boiler isn’t working, you want a repair service that you can count on to be fast, affordable and reliable. Repair Network promises prompt service provided by a quality and local technician.
Choose an appointment time to suit your schedule and cut back on the amount of time you must go without your boiler and to reduce the amount of time waiting for repairs. We always try to offer same or next day service.
We have nationwide coverage for our boiler services and every technician we send to your premises is gas-registered. That means they are qualified to carry out repairs and can do it safely and efficiently. We will only send an engineer trained to work on your brand of boiler.
Our goal is to always repair your boiler, keeping you from the expense of having to replace it. Our repair, not replace policy is also accompanied by a one-year guarantee.
We pride ourselves on customer service as is reflected in our Trust Pilot reviews.

What we Cover and What We Don’t

We offer transparent pricing because customer satisfaction is our ultimate goal.
We offer repairs at a fixed cost so there won’t be any hidden costs or fees. This fixed price includes labour and genuine brand-approved parts.
All of our boiler repairs come with a one-year guarantee to keep you covered if something happens.
If repairs to your Ideal boiler aren’t possible, our technician will offer you a free, no-obligation quote for a new boiler, including installation.

What are the error codes Ideal boiler and what do the mean?

Determine the model of your Ideal boilers and look to the ahead for the various error codes and what they mean.

Find your Error Code

Ideal Logic Max / Ideal Logic Plus boiler error codes

Fault CodeDescriptionFix
F1 Low water pressure Check the system water pressure is between 1 and 1.5 bar on the system pressure gauge. To re-pressurise the system, see section 3 of user manual provided above or follow the WarmZilla guide to repressurise your boiler.
F2 Flame loss Check the other gas appliances in the house are working to confirm gas supply is present in the property. If the other appliances don’t work or there are no other appliances to try, check the gas supply is on at the meter and/or pre-payment meter has credit. If the boiler fails to operate, contact Ideal (if boiler still under warranty) or alternatively contact a Gas Safe registered engineer.
F3 Fan fault Restart the boiler. If the boiler fails to operate, contact Ideal (if boiler still under warranty) or alternatively contact a Gas Safe registered engineer.
F4 or L4 Flow thermistor fault Restart the boiler. If the boiler fails to operate, contact Ideal (if boiler still under warranty) or alternatively contact a Gas Safe registered engineer.
F5 or L5 Return thermistor fault Restart the boiler. If the boiler fails to operate, contact Ideal (if boiler still under warranty) or alternatively contact a Gas Safe registered engineer.
F6 Outside sensor failure Restart the boiler. If the boiler fails to operate, contact Ideal (if boiler still under warranty) or alternatively contact a Gas Safe registered engineer.
F7 Low mains voltage Contact your electricity provider or a qualified electrician.
F9 or L9 Unconfigured PCB Contact Ideal (if boiler still under warranty) or alternatively contact a Gas Safe registered engineer.
L1 Flow temperature overheat or no water flow Check the system water pressure is between 1 and 1.5 bar on the system pressure gauge. To re-pressurise the system, see section 4 of user manual or follow the WarmZilla guide to repressurise your boiler.
L2 Ignition lockout Check the condensate pipe for blockages (see section 3 of manual). Check the other gas appliances in the house are working to confirm gas supply is present in the property. If the other appliances don’t work or there are no other appliances to try, check the gas supply is on at the meter and/or pre-payment meter has credit. During Winter months check to make sure the pipe hasn’t frozen.
L6 False flame lockout Restart the boiler. If the boiler fails to operate, contact Ideal (if boiler still under warranty) or alternatively contact a Gas Safe registered engineer.
LC 5 boiler resets in 15 minutes Turn electrical supply to boiler off and on. If the boiler fails to operate, contact Ideal (if boiler still under warranty) or alternatively contact a Gas Safe registered engineer.
FU Flow/return differential – 50°C If the boiler fails to operate, contact Ideal (if boiler still under warranty) or alternatively contact a Gas Safe registered engineer.

Ideal Logic Max / Ideal Logic Plus combi boiler error codes

Fault MessageFix
Outside sensor fault Restart the boiler. If the boiler fails to operate, contact Ideal (if boiler still under warranty) or alternatively contact a Gas Safe registered engineer.
Low mains voltage Contact your electricity provider or a qualified electrician.
PCB fault Contact Ideal (if boiler still under warranty) or alternatively contact a Gas Safe registered engineer.
Too many resets Turn the power off and on. If the boiler fails to operate, contact Ideal (if boiler still under warranty) or alternatively contact a Gas Safe registered engineer.
Flame on before gas on Restart the boiler. If the boiler fails to operate, contact Ideal (if boiler still under warranty) or alternatively contact a Gas Safe registered engineer.
Low water pressure Check the system water pressure is between 1 and 1.5 bar on the system pressure gauge. To re-pressurise the system, follow the WarmZilla guide to repressurise your boiler.
Overheat lockout Check that the system pressure is between 1 and 1.5 bar on the pressure gauge. Restart the appliance. If the boiler fails to operate, contact Ideal (if boiler still under warranty) or alternatively contact a Gas Safe registered engineer.
Flame loss Check the other gas appliances in the house are working to confirm gas supply is present in the property. If the other appliances don’t work or there are no other appliances to try, check the gas supply is on at the meter and/or pre-payment meter has credit. If the boiler fails to operate, contact Ideal (if boiler still under warranty) or alternatively contact a Gas Safe registered engineer.
Ignition lockout Check the other gas appliances in the house are working to confirm gas supply is present in the property. If the other appliances don’t work or there are no other appliances to try, check the gas supply is on at the meter and/or pre-payment meter has credit. If the boiler fails to operate, contact Ideal (if boiler still under warranty) or alternatively contact a Gas Safe registered engineer.
Fan fault Restart the boiler. If the boiler fails to operate, contact Ideal (if boiler still under warranty) or alternatively contact a Gas Safe registered engineer.
Flow thermistor fault Restart the boiler. If the boiler fails to operate, contact Ideal (if boiler still under warranty) or alternatively contact a Gas Safe registered engineer.
Return thermistor fault Restart the boiler. If the boiler fails to operate, contact Ideal (if boiler still under warranty) or alternatively contact a Gas Safe registered engineer.

Ideal Vogue Gen 2 / Ideal Mexico combi boiler error codes

Fault CodeDescriptionFix
F1 Low water pressure Check the system water pressure is between 1 and 1.5 bar on the system pressure gauge. To re-pressurise the system, see section 3 of user manual provided above or follow the WarmZilla guide to repressurise your boiler.
F2 Flame loss Check the other gas appliances in the house are working to confirm gas supply is present in the property. If the other appliances don’t work or there are no other appliances to try, check the gas supply is on at the meter and/or pre-payment meter has credit. If the boiler fails to operate, contact Ideal (if boiler still under warranty) or alternatively contact a Gas Safe registered engineer.
F3 Fan fault Restart the boiler. If the boiler fails to operate, contact Ideal (if boiler still under warranty) or alternatively contact a Gas Safe registered engineer.
F4 or L4 Flow thermistor fault Restart the boiler. If the boiler fails to operate, contact Ideal (if boiler still under warranty) or alternatively contact a Gas Safe registered engineer
F5 or L5 Return thermistor fault Restart the boiler. If the boiler fails to operate, contact Ideal (if boiler still under warranty) or alternatively contact a Gas Safe registered engineer.
F6 Outside sensor failure Restart the boiler. If the boiler fails to operate, contact Ideal (if boiler still under warranty) or alternatively contact a Gas Safe registered engineer.
F7 Low mains voltage Contact your electricity provider or a qualified electrician.
F9 or L9 Unconfigured PCB Contact Ideal (if boiler still under warranty) or alternatively contact a Gas Safe registered engineer.
L1 Flow temperature overheat or no water flow Check the system water pressure is between 1 and 1.5 bar on the system pressure gauge. To re-pressurise the system, see section 4 of user manual or follow the WarmZilla guide to repressurise your boiler.
L2 Ignition lockout Check the condensate pipe for blockages (see section 3 of manual). Check the other gas appliances in the house are working to confirm gas supply is present in the property. If the other appliances don’t work or there are no other appliances to try, check the gas supply is on at the meter and/or pre-payment meter has credit. During Winter months check to make sure the pipe hasn’t frozen.
L6 False flame lockout Restart the boiler. If the boiler fails to operate, contact Ideal (if boiler still under warranty) or alternatively contact a Gas Safe registered engineer.
LC 5 boiler resets in 15 minutes Turn electrical supply to boiler off and on. If the boiler fails to operate, contact Ideal (if boiler still under warranty) or alternatively contact a Gas Safe registered engineer.
FU Flow/return differential – 50°C If the boiler fails to operate, contact Ideal (if boiler still under warranty) or alternatively contact a Gas Safe registered engineer.

Ideal Isar / Icos combi boiler error codes

Fault CodeDescriptionFix
L-F Boiler fails to ignite Press the “reset” button for 2 seconds. The boiler will try to ignite again. Check that there is gas at other appliances, or that the gas meter is turned on.
L-A Boiler Overheated Check that there is sufficient water pressure in the central heating system, and that all radiators are “bled”. Press the “reset” button for 2 seconds, the boiler should ignite.
H-3 Domestic hot water thermistor error Press the “reset” button for 2 seconds.
No Display No heating or hot water PCB Failure. Call Gas Safe engineer.

Additional Ideal Boiler error codes & faults

If your Ideal boiler fault code was not listed above, then check the error codes below.

Fault CodeDescription
0 The boiler is in standby mode awaiting either hot water demand or a central heating call.
C The boiler is operating in central heating mode or the boiler has a call for central heating and the appliance has reached the desired set temperature.
D The boiler is operating in hot water mode or the boiler has a call for hot water and the appliance has reached the desired set temperature.
F The boiler is operating in frost mode.
C0 BCC (boiler chip card) activation fault.
C2 BCC (boiler chip card) fault.
F1 Boiler pressure too low.
F2 Flame loss.
F3 Fault with fan.
F4 Fault with flow thermistor.
F5 Fault with return thermistor.
F6 Outside sensor failure.
F7 Low mains voltage.
F9 Unconfigured PCB (printed circuit board).
L1 No water flow or flow temperature overheat.
L2 Flame loss.
L5 5 boiler resets in 15 minutes.
L6 False flame lockout.