BoilerFaultCodes F.980 High
Boiler Fault Code F.980
Also written as F980 — same fault.
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code F.980 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 water pressure in your system is too low to safely heat your hot water, so it has stopped the hot water function to protect itself. (As reported on Viessmann Vitodens 222-F B2TF)
Pick your boiler brand for the F.980 fix
Source
Information for the F.980 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