Your boiler is having trouble communicating with the solar heating control module during its automatic setup process.
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: With Vitosolic 200 (automatical adjustment on recognition)
What causes this fault?
This fault occurs when the boiler's main control unit tries to automatically detect and link up with your solar thermal heating system but fails to receive a response. The most common reasons are a loose connection in the communication wiring, a blown fuse in the solar module, or a malfunction within the Vitosolic control box itself.
Engineer required
This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.
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A boiler cover plan would cover faults like 54:2 — no call-out fees, no surprises.
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