The 6 most common faults
01
Ignition lockout Engineer
Boiler failed to light after 5 attempts; check other gas appliances, reset boiler, or contact installer
Full guide for Ignition lockout02
03
04
05
06
Overheat lockout Engineer
Fill system to 1.0 bar, Bleed radiators, Check radiator valves open, Reset boiler, Contact installer
Full guide for Overheat lockoutCall a Gas Safe engineer if…
- You can smell gas or see signs of a leak
- The Ideal shows an Emergency or High severity code
- The boiler keeps locking out after repeated resets
- You've tried the DIY checks and the fault hasn't cleared
- There's visible water leaking from the boiler
- The flame is yellow or orange instead of blue