How much does it cost to fix boiler error code Fault 13 / 159?

Typical repair cost for the boiler Fault 13 / 159 fault is £80-160 including labour.

Fault 13 / 159 High

Boiler Fault Code Fault 13 / 159

Also written as FAULT13159 — same fault.

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed 27 April 2026

Fault code Fault 13 / 159 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 computer is confused because it has detected a change in its connected control components and needs to be told how to work with them again. (As reported on Worcester Bosch Greenstar CDi Compact)

Pick your boiler brand for the Fault 13 / 159 fix

Worcester Bosch Fault 13 / 159 1 model

Source

Information for the Fault 13 / 159 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