How much does it cost to fix boiler error code RED LED Solid?

Typical repair cost for the boiler RED LED Solid fault is £90-160 including labour.

RED LED Solid High

Boiler Fault Code RED LED Solid

Also written as REDLEDSOLID — same fault.

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed 27 April 2026

Fault code RED LED Solid appears across 1 boiler brand and 5 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 a fault with its internal temperature sensor, preventing it from heating your water and radiators safely. (As reported on Vokera Compact HE)

Pick your boiler brand for the RED LED Solid fix

Vokera RED LED Solid 5 models

Source

Information for the RED LED Solid 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