How much does it cost to fix boiler error code Failure at point Q?

Typical repair cost for the boiler Failure at point Q fault is £120-190 including labour.

Failure at point Q Medium

Boiler Fault Code Failure at point Q

Also written as FAILUREATPOINTQ — same fault.

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed 27 April 2026

Fault code Failure at point Q 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's internal pump is staying on even after the water has cooled down, which is usually caused by a faulty internal sensor. (As reported on Worcester Bosch 24CDi BF)

Pick your boiler brand for the Failure at point Q fix

Worcester Bosch Failure at point Q 1 model

Source

Information for the Failure at point Q 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