E06 Medium

Ferroli E06 Fault Code

The Ferroli E06 fault code means: your boiler is struggling to detect the temperature of your hot water, so it has stopped heating it to prevent the system from overheating.. It appears on 2 Ferroli models in our database.

Book a service

This fault should be looked at by a Gas Safe engineer within the next week or two. It may get worse if left.

Technical description: D.H.W. sensor fault: Check sensor resistance and wiring for short or open circuit
Typical repair cost £120-180 (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 31 August 2026