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 CodePossible Cause
No DisplayFailure - Fault with PCB.
OverheatLockout - 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.
C0Chip card failure - Boiler chip card activation fault.
C2Chip card failure - Boiler internal error or an activation fault. Boiler chip card activation fault.
FAFlame fault - Boiler safe mode. Book our boiler engineer.
FDPump 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.
F1Water pressure - Same as FD, lack of water in your central heating system. Water pressure to low.
F1Water pressure - Same as FD, lack of water in your central heating system. Water pressure to low.
F2Flame fault - Flame loss during operation, check gas pressure. Faulty gas valve. Fan Fault.
F3Fan Fault - Check fan. Damaged fan. Check for loose connections.
F4Thermistor fault - Flow thermistor fault.
F5Thermistor fault - Return thermistor fault.
F6Sensor fault - PCB Fault or outside sensor is broken or faulty.
F7Voltage fault - Electricity source fault. Boiler safe mode. Call our boiler engineer.
F9PCB fault - Unconfigured printed circuit board.
LFIgnition fault - Boiler lock out. Boiler safe mode. Call our boiler engineer.
L1Water flow - Temperature reading is too low or too high. Boiler safe mode.
L2Ignition fault - Boiler lock out. Boiler safe mode.
L3Flow thermister - PCB changed or wrong boiler chip card.
L9/HA/LA/H9Overheating - Temperature on your resisteance reading is too high.
L5Boiler return pipe - Have this checked by our boiler engineer.
L6Flame 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