H01.15 High

Boiler Fault Code H01.15

Also written as H0115 — same fault.

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed

Fault code H01.15 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 that the exhaust gases leaving the system are too hot, so it has safely shut itself down to prevent damage. (As reported on Remeha Quinta Ace 30)

Pick your boiler brand for the H01.15 fix

Source

Information for the H01.15 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 7 July 2026