ER 07 + SPANNER Medium

Boiler Fault Code ER 07 + SPANNER

Also written as ER07SPANNER — same fault.

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed

Fault code ER 07 + SPANNER 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 an issue with the sensor that measures hot water temperature, which means you may not have reliable hot water for your taps and showers. (As reported on Johnson Starley Warmcair DW)

Pick your boiler brand for the ER 07 + SPANNER fix

Johnson Starley ER 07 + SPANNER 1 model

Source

Information for the ER 07 + SPANNER 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