Low
LED 2 on P.C.B. alight on Ferroli Combi 77 FF Popular

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.

Monitor it

This is a minor fault. Keep an eye on it and mention it at your next annual boiler service. Reset the boiler and see if it clears.

Technical description

Electric mains on; if not check fuses 2 Amp. and 125 mAmp. on P.C.B. and external fuses

Engineer required

This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

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