How much does it cost to fix boiler error code E06 085?

Typical repair cost for the boiler E06 085 fault is £150-250 including labour.

E06 085 High

Boiler Fault Code E06 085

Also written as E06085 — same fault.

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed 7 July 2026

Fault code E06 085 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 has detected an issue with the sensing system that monitors the internal combustion area, which prevents it from firing up to keep your home safe. (As reported on Potterton Promax HE)

Pick your boiler brand for the E06 085 fix

Potterton E06 085 1 model

Source

Information for the E06 085 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