How much does it cost to fix boiler error code E83---127?

Typical repair cost for the boiler E83---127 fault is £150-250 including labour.

E83---127 High

Boiler Fault Code E83---127

Also written as E83127 — same fault.

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed 7 July 2026

Fault code E83---127 appears across 2 boiler brands and 9 models. The exact meaning varies by manufacturer — pick your boiler brand below to see the model-specific fix.

Most common meaning Your boiler is failing to light the burner because it cannot detect the necessary spark, meaning you will currently have no heating or hot water. (As reported on Biasi Riva Compact HE MK2)

Pick your boiler brand for the E83---127 fix

Biasi E83---127 3 models Ideal E83---127 6 models

Source

Information for the E83---127 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 7 July 2026