E23
FAULT CODE
Keston
Water Filling Error
Medium Severity
Engineer Required
The water pressure sensor has detected an issue during the automatic filling sequence.
Step-by-Step Fix Guide
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Step 1
Check the pressure sensor connection
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Step 2 Engineer only
Call a Gas Safe engineer to inspect the pressure sensor and filling system
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.