LED 1: 0 High

Ferroli LED 1: 0 Fault Code

Also written as LED10 — same fault.

The Ferroli LED 1: 0 fault code means: your boiler is not receiving any power, meaning it cannot turn on or provide any heating and hot water.. It appears on 2 Ferroli models in our database.

Call an engineer soon

Book a Gas Safe engineer within 24 to 48 hours. Your boiler may be unsafe or could break down completely if left.

Technical description: No mains electricity/switches off/fuse blown.
Typical repair cost £70-180 (including labour)

DIY fix possible

Check if other appliances in your home are working to ensure there isn't a general power cut.Ensure the boiler's power switch or fused spur on the wall is turned on.Check your property's main fuse box or consumer unit to see if a circuit breaker has tripped.

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Ferroli models that show the LED 1: 0 fault code

Click a model for the full fault code list and model-specific repair notes.

Source

Ferroli LED 1: 0 fault code information on this page is sourced and cross-checked against the official Ferroli service / installation manuals for each affected model.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 27 April 2026