E15
FAULT CODE
Alpha
Low Gas Pressure
High Severity
Engineer Required
The gas supply pressure at the boiler is below the minimum operating threshold.
Step-by-Step Fix Guide
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Step 1
Check other gas appliances are working
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Step 2
If all gas appliances are affected, contact your gas supplier
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Step 3 Engineer only
If only the boiler is affected, call a Gas Safe engineer to test the gas valve and supply 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.