AL 02
FAULT CODE
Sime
Low Water Pressure (Alarm 02)
Low Severity
DIY Check Possible
System pressure is below the minimum. The boiler has locked out.
Step-by-Step Fix Guide
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Step 1
Repressurise the system via the filling loop
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.