BoilerFaultCodes Power on indicator Low
Boiler Fault Code Power on indicator
Also written as POWERONINDICATOR — same fault.
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code Power on indicator appears across 1 boiler brand and 2 models. The exact meaning varies by manufacturer — pick your boiler brand below to see the model-specific fix.
Most common meaning Your boiler is receiving electrical power and is currently in its normal standby state, ready to provide heating or hot water when requested. (As reported on Vaillant Turbomax VU 182)
Pick your boiler brand for the Power on indicator fix
Source
Information for the Power on indicator 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