Medium
E.02 – .21 on Baxi Performa

Your boiler's internal computer settings have been changed or are not matching the required configuration, preventing it from running correctly.

Book a service

This fault should be looked at by a Gas Safe engineer within the next week or two. It may get worse if left.

Technical description

Jumper 3 changed – check position of jumper 3.

Engineer required

This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

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