Boiler Fault Code 36.0

Also written as 360 — same fault.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 7 July 2026

Fault code 36.0 appears across 2 boiler brands and 9 models. The exact meaning varies by manufacturer — pick your boiler brand below to see the model-specific fix.

Most common meaning This code is simply an information display showing the maximum power setting your boiler is currently configured to provide, rather than an error or a fault with the heating system. (As reported on Grant Vortex Eco External Wall Hung)