BoilerFaultCodes 93/95 High
Boiler Fault Code 93/95
Also written as 9395 — same fault.
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code 93/95 appears across 1 boiler brand and 3 models. The exact meaning varies by manufacturer — pick your boiler brand below to see the model-specific fix.
Most common meaning Your boiler is unable to drain away water produced during normal operation because the waste pipe is obstructed, causing the system to stop working to prevent internal damage. (As reported on Vokera Linea HE)
Pick your boiler brand for the 93/95 fix
Source
Information for the 93/95 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