High
D.96 on Vaillant Combi Compact 282EB

Your boiler has lost its specific configuration settings and has reverted to its original factory state, meaning it may not communicate correctly with your heating system.

Call an engineer soon

Book a Gas Safe engineer within 24 to 48 hours. Your boiler may be unsafe or could break down completely if left.

Technical description

Factory setting

Engineer required

This is a high severity fault. Stop using the boiler and call a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

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