Valve display message "sbBs"

[cerebrolele]

One of my Valve is showing in his screen some code like "sdBs"
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The Valve seems working well anyway, and if I recalibrate it from the app it doesnt show it for a day or so...
but then it comes back. what could be the issue?
Thermostat is in the same room and the relay just in the room aside (10m max)

Anyone had the same?

[Brieuc_Netatmo]

Hi,
It looks like a fault of the Valve screen.
Please contact our Support team directly, or ask your reseller for a replacement.