Ideal Boiler Faults & Errors by Approved Ideal Boiler Engineers - Book an Engineer.

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Ideal Boiler Error & Fault Codes.

Ideal Boiler guide by THS Plumbing & Heating Northampton

About Ideal Boilers.

Ideal Boilers was founded in 1906, thats over 100 years of providing the best quality boilers to our customers.

Ideal were taking boilers out of basements and into kitchens in the 1920s, through to introducing pioneering high-efficiency technologies.

We are Approved Ideal Boiler Installers.

Ideal have approved us to install their boilers to our customers, meaning you get a great boiler and a manufacturer backed warranty.

View our Approved Ideal Boiler Installer Profile - View profile.

Ideal Logic Max & Ideal Logic+.

Fault/Error Code Possible Cause
No Display Failure - Fault with PCB.
Overheat Lockout - You need to bleed your radiators of air. Refill system to 1.0 bar pressure, check that radiator and boiler valves are open and reset boiler. - Need help? Call our boiler engineer.
C0 Chip card failure - Boiler chip card activation fault.
C2 Chip card failure - Boiler internal error or an activation fault. Boiler chip card activation fault.
FA Flame fault - Boiler safe mode. Book our boiler engineer.
FD Pump or air locks - This code could also be caused by a lack of water in your central heating system or an issue with water circulation. Boiler Pump or air locks.
F1 Water pressure - Same as FD, lack of water in your central heating system. Water pressure to low.
F1 Water pressure - Same as FD, lack of water in your central heating system. Water pressure to low.
F2 Flame fault - Flame loss during operation, check gas pressure. Faulty gas valve. Fan Fault.
F3 Fan Fault - Check fan. Damaged fan. Check for loose connections.
F4 Thermistor fault - Flow thermistor fault.
F5 Thermistor fault - Return thermistor fault.
F6 Sensor fault - PCB Fault or outside sensor is broken or faulty.
F7 Voltage fault - Electricity source fault. Boiler safe mode. Call our boiler engineer.
F9 PCB fault - Unconfigured printed circuit board.
LF Ignition fault - Boiler lock out. Boiler safe mode. Call our boiler engineer.
L1 Water flow - Temperature reading is too low or too high. Boiler safe mode.
L2 Ignition fault - Boiler lock out. Boiler safe mode.
L3 Flow thermister - PCB changed or wrong boiler chip card.
L9/HA/LA/H9 Overheating - Temperature on your resisteance reading is too high.
L5 Boiler return pipe - Have this checked by our boiler engineer.
L6 Flame fault - Reset your boiler. Call our boiler engineer.

Approved Ideal Boiler Installer, Northampton.

we are ideal boiler installers in northampton

THS Plumbing & Heating Northampton are Ideal Boiler installers in Northampton. Got an Ideal boiler problem? Tell us the problem.

Gas Safe Engineers.

We have GAS Safe engineers

THS Plumbing & Heating Northampton are Gas Safe registered ID number: 517522. Contact our Gas Safe Engineer.

Ideal Boilers
Call: 01604 212732
For Service & Repairs