BoilerFaultCodes E83486 High
Boiler Fault Code E83486
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code E83486 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 a communication problem or a electrical fault with the sensor that monitors water pressure, which has caused the system to stop working for safety. (As reported on Potterton Powermax HE)
Pick your boiler brand for the E83486 fix
Source
Information for the E83486 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