How much does it cost to fix boiler error code ER 06 + SPANNER?

Typical repair cost for the boiler ER 06 + SPANNER fault is £100-£190 including labour.

ER 06 + SPANNER High

Boiler Fault Code ER 06 + SPANNER

Also written as ER06SPANNER — same fault.

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed 27 April 2026

Fault code ER 06 + 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 that a temperature sensor responsible for your central heating is reporting an incorrect or impossible reading. (As reported on Johnson Starley Warmcair DW)

Pick your boiler brand for the ER 06 + SPANNER fix

Johnson Starley ER 06 + SPANNER 1 model

Source

Information for the ER 06 + 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