How much does it cost to fix boiler error code LED 2 on P.C.B. alight?

Typical repair cost for the boiler LED 2 on P.C.B. alight fault is £90-180 including labour.

LED 2 on P.C.B. alight Low

Boiler Fault Code LED 2 on P.C.B. alight

Also written as LED2ONPCBALIGHT — same fault.

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed 27 April 2026

Fault code LED 2 on P.C.B. alight 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 receiving electrical power, but if the display isn't working otherwise, there may be a blown fuse on the internal circuit board. (As reported on Ferroli Combi 77 FF Popular)

Pick your boiler brand for the LED 2 on P.C.B. alight fix

Ferroli LED 2 on P.C.B. alight 1 model

Source

Information for the LED 2 on P.C.B. alight 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