E25
FAULT CODE
Alpha
Dry Fire / Low Water Detected
High Severity
Engineer Required
The boiler has attempted to fire without detecting sufficient water flow, indicating very low water pressure or a flow sensor fault.
Step-by-Step Fix Guide
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Step 1
Check system pressure and repressurise if necessary
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Step 2
Do not repeatedly fire the boiler
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Step 3 Engineer only
Call a Gas Safe engineer to check the flow sensor and water pressure
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.