BoilerFaultCodes Ignition Pre Checks Low
Boiler Fault Code Ignition Pre Checks
Also written as IGNITIONPRECHECKS — same fault.
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code Ignition Pre Checks appears across 1 boiler brand and 2 models. The exact meaning varies by manufacturer — pick your boiler brand below to see the model-specific fix.
Most common meaning Your boiler is currently running a series of built-in safety checks before it attempts to light the burner. (As reported on Potterton Envoy Plus)
Pick your boiler brand for the Ignition Pre Checks fix
Source
Information for the Ignition Pre Checks fault code is sourced from the official service / installation manual for each model that displays it. Read more about how we source fault codes →
Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 27 April 2026