How much does it cost to fix boiler error code Spark generator fault?

Typical repair cost for the boiler Spark generator fault fault is £160-£300 including labour.

Spark generator fault High

Boiler Fault Code Spark generator fault

Also written as SPARKGENERATORFAULT — same fault.

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed 27 April 2026

Fault code Spark generator fault 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 is unable to create the spark needed to light the gas burner, meaning the system cannot fire up to provide heat. (As reported on Ideal Concord CXA 40-120)

Pick your boiler brand for the Spark generator fault fix

Ideal Spark generator fault 1 model

Source

Information for the Spark generator fault 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