How much does it cost to fix boiler error code 89 H......F........?

Typical repair cost for the boiler 89 H......F........ fault is £120-250 including labour.

89 H......F........ High

Boiler Fault Code 89 H......F........

Also written as 89HF — same fault.

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed 27 April 2026

Fault code 89 H......F........ 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 detected an issue with the flame during operation, causing it to shut down for safety. (As reported on Ideal Isar M30 / M100)

Pick your boiler brand for the 89 H......F........ fix

Ideal 89 H......F........ 1 model

Source

Information for the 89 H......F........ 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