E06 High

Ferroli E06 Fault Code

The Ferroli E06 fault code means: your boiler is currently unable to detect the temperature of the water coming from your taps, which means it has stopped providing hot water to prevent overheating.. It appears on 3 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: D.H.W. sensor fault: Check sensor resistance and wiring for short or open circuit
Typical repair cost £120-200 (including labour)

Engineer required

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

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Ferroli models that show the E06 fault code

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

Source

Ferroli E06 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 7 July 2026