Boiler Fault Code E02.35

Also written as E0235 — same fault.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 7 July 2026

Fault code E02.35 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 a crucial internal safety component has been unplugged or has lost its electrical connection, so it has shut down to prevent unsafe operation. (As reported on Remeha Quinta Ace 30)