12
FAULT CODE
Halstead
Low Water Pressure
Low Severity
DIY Check Possible
System water pressure has dropped below the minimum safe level.
Cold Weather Note
Pressure drops more frequently in cold weather.
Step-by-Step Fix Guide
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Step 1
Check the pressure gauge — should read 1.0-1.5 bar
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Step 2
Repressurise via the filling loop
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Step 3
Reset the boiler
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.