How much does it cost to fix boiler error code EE8?

Typical repair cost for the boiler EE8 fault is £150-450 including labour.

EE8 High

Boiler Fault Code EE8

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed 27 April 2026

Fault code EE8 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's main control board has lost contact with the digital display or internal computer, meaning it can no longer send or receive instructions. (As reported on Grant Vortex)

Pick your boiler brand for the EE8 fix

Grant EE8 2 models

Source

Information for the EE8 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