How much does it cost to fix Ferroli error code LED 2 (DHW)?

Typical repair cost for the Ferroli LED 2 (DHW) fault is £120-220 including labour.

LED 2 (DHW) Medium

Ferroli LED 2 (DHW) Fault Code

Q: What does the Ferroli LED 2 (DHW) fault code mean?

Your boiler is failing to detect that you have turned on a hot water tap, meaning it won't fire up to heat the water for your shower or taps.

Also written as LED2DHW — same fault.

The Ferroli LED 2 (DHW) fault code means: your boiler is failing to detect that you have turned on a hot water tap, meaning it won't fire up to heat the water for your shower or taps.. It appears on 2 Ferroli models in our database.

Technical description: D.H.W. flowmeter (136) not operating.

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 (DHW) fault code

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

Source

Ferroli LED 2 (DHW) 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