BoilerFaultCodes 95:0 Low
Boiler Fault Code 95:0
Also written as 950 — same fault.
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code 95:0 appears across 1 boiler brand and 5 models. The exact meaning varies by manufacturer — pick your boiler brand below to see the model-specific fix.
Most common meaning Your boiler has lost its connection to its remote communication module, meaning you cannot control your heating via the app, but your hot water and heating should still work manually. (As reported on Viessmann Vitodens 300-W)
Pick your boiler brand for the 95:0 fix
Source
Information for the 95:0 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