é5 Low

Boiler Fault Code é5

Also written as 5 — same fault.

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed

Fault code é5 appears across 7 boiler brands and 19 models. The exact meaning varies by manufacturer — pick your boiler brand below to see the model-specific fix.

Most common meaning Your boiler is currently in a mandatory waiting period, meaning it is simply resting before it tries to restart itself. (As reported on Remeha Avanta 18V)

Pick your boiler brand for the é5 fix

Source

Information for the é5 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