F56
FAULT CODE
Ferroli
Calibration Error / Incomplete Calibration
Medium Severity
Engineer Required
On Ferroli Bluehelix Tech boilers, F56 indicates the auto-calibration procedure did not complete correctly, or there are incorrect parameters or a damaged electrode.
Step-by-Step Fix Guide
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Step 1 Engineer only
Call a Gas Safe engineer to perform the calibration procedure and check the electrode position
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.