THE DISPLAY IS OFF
• Check that the screensaver is active by pressing the
screen.
• Check that the On/Off button is set to On.
• Check that the cable is correctly connected between
RMU S40 and the main product.
Caution
If RMU S40 is set to "Night mode", the display
is off.
(See Menu 1 – Night mode.)
39NIBE RMU S40 | GB