How much does it cost to fix Ferroli error code 36?

Typical repair cost for the Ferroli 36 fault is £0-120 including labour.

36 Low

Ferroli 36 Fault Code

Q: What does the Ferroli 36 fault code mean?

Your boiler has detected an internal sensor reading that is slightly outside of its usual limits and is waiting for it to return to normal before restarting automatically.

The Ferroli 36 fault code means: your boiler has detected an internal sensor reading that is slightly outside of its usual limits and is waiting for it to return to normal before restarting automatically.. It appears on 3 Ferroli models in our database.

Technical description: Temporary shutdown fault - resets automatically as soon as the value comes back within the boiler’s normal working range

Typical repair cost £0-120 (including labour)

DIY fix possible

Check if your home's electricity supply is stableEnsure there are no external power surges or interferenceWait up to 15 minutes for the boiler to self-correct and restart

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Ferroli models that show the 36 fault code

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

Source

Ferroli 36 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