How much does it cost to fix boiler error code 1023 R?

Typical repair cost for the boiler 1023 R fault is £0-80 including labour.

1023 R Low

Boiler Fault Code 1023 R

Also written as 1023R — same fault.

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed 27 April 2026

Fault code 1023 R 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 has been running for a very long period without a break and has temporarily paused itself for safety and maintenance reasons. (As reported on Worcester Bosch Greenstar 2000)

Pick your boiler brand for the 1023 R fix

Worcester Bosch 1023 R 1 model

Source

Information for the 1023 R 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