177 High

Boiler Fault Code 177

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed

Fault code 177 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 has dropped too low to operate safely, causing the system to shut down. (As reported on ECA FELiS FL 50 HM)

Pick your boiler brand for the 177 fix

ECA 177 1 model

Source

Information for the 177 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