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

Typical repair cost for the boiler FE fault is £350-700 including labour.

FE High

Boiler Fault Code FE

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed 27 April 2026

Fault code FE appears across 2 boiler brands and 11 models. The exact meaning varies by manufacturer — pick your boiler brand below to see the model-specific fix.

Most common meaning Your boiler's internal computer has encountered a critical error or is having trouble communicating with its electronic security card, causing the system to shut down for safety. (As reported on Viessmann Vitodens 200)

Pick your boiler brand for the FE fix

Alpha FE 2 models Viessmann FE 9 models

Source

Information for the FE 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