How much does it cost to fix boiler error code E02-234?

Typical repair cost for the boiler E02-234 fault is £150-£300 including labour.

E02-234 Emergency

Boiler Fault Code E02-234

Also written as E02234 — same fault.

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed 7 July 2026

Fault code E02-234 appears across 1 boiler brand and 1 models. The exact meaning varies by manufacturer — pick your boiler brand below to see the model-specific fix.

Most common meaning Your boiler is failing to light because it cannot detect or supply the correct amount of gas for the burner to operate safely. (As reported on Potterton Kingfisher MF RSL)

Pick your boiler brand for the E02-234 fix

Potterton E02-234 1 model

Source

Information for the E02-234 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 7 July 2026