LED 2 High

Ferroli LED 2 Fault Code

Also written as LED2 — same fault.

The Ferroli LED 2 fault code means: your boiler detects water flowing through the system even while the tap is turned off, causing it to run continuously or lock out to prevent overheating.. It appears on 5 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: Flowmeter (136) on
Typical repair cost £120-220 (including labour)

Engineer required

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

Find a Gas Safe engineer

Search the official register for a qualified engineer in your area.

Gas Safe Register →

Ferroli models that show the LED 2 fault code

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

Source

Ferroli LED 2 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