F07
FAULT CODE
Ferroli
High Flue Gas Temperature
High Severity
Engineer Required
The flue gas probe (exchanger probe) has detected an excessively high temperature for more than 2 minutes. Indicates a heat exchanger blockage or circulation problem.
Step-by-Step Fix Guide
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Step 1
Turn off the boiler
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Step 2 Engineer only
Call a Gas Safe engineer to inspect the heat exchanger and flue system for blockages or restrictions
Gas Safe Reminder
Work on gas appliances must be carried out by a Gas Safe registered engineer. The steps above cover safe checks a homeowner can perform - any internal component replacement requires a qualified professional. If in doubt, always call an engineer.