Medium
12 on Saunier Duval Themaclassic Plus F30E

Your boiler is having a communication breakdown with its control panel, meaning it cannot receive your temperature or setting instructions.

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.

What the manual says

Manufacturer manual

User interface or distant control panel fault

From this model's manual
Verified against the Saunier Duval Thema F 30 E Plus Combi installation & service manual, page 37.
Plain-English guidance below. Severity, DIY steps, costs and parts are our interpretation to help you act, not text from the manual.

Engineer required

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

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