270 Low

Boiler Fault Code 270

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed

Fault code 270 appears across 5 boiler brands and 21 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 resetting or performing its initial startup sequence, which typically happens when power is first restored after a shutdown. (As reported on Worcester Bosch Greenstar CDi Compact)

Pick your boiler brand for the 270 fix

Baxi 270 6 models ECA 270 1 model Navien 270 1 model Potterton 270 6 models Worcester Bosch 270 7 models

Source

Information for the 270 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 31 August 2026