How much does it cost to fix boiler error code All Boilers?

Typical repair cost for the boiler All Boilers fault is £180-450 including labour.

All Boilers High

Boiler Fault Code All Boilers

Also written as ALLBOILERS — same fault.

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed 27 April 2026

Fault code All Boilers appears across 2 boiler brands and 8 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 system has lost its programmed settings or is struggling to communicate with the internal sensors, meaning it cannot decide when to turn on or off. (As reported on Viessmann Vitola Biferral)

Pick your boiler brand for the All Boilers fix

Glow-worm All Boilers 3 models Viessmann All Boilers 5 models

Source

Information for the All Boilers 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