nVent RAYCHEM Elexant 550c-Modbus Installations- Und Bedienungsanleitung Seite 9

Error Warning
code message
Touch screen
not responsive/
– Seeing 3 dots,
one by one, on
the screen
Problem causes
Pushing in the middle
of the screen for
30 seconds causes
controller to enter
screen calibration
mode (can be started
also from the service
menu)
Corrective actions
All 3 dots have to be pressed
one by one for calibration before
jumping back to the main screen
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