Nibe RMU S40 Manuel D'installation page 29

TROUBLESHOOTING
COMMUNICATION ERROR
RMU S40 has lost contact with the main product.
Wireless connection
• Check that the distance between the main product and
RMU S40 is not too great.
• If the communication is weak between the main product
and an accessory in a zone, a repeater (RPP 10) may need
to be installed to amplify the signal between the zones.
Wired connection
• Check that the cable is correctly connected between
RMU S40 and the main product.
• Check that the addresses in the room unit's "Installation"
menu and the main product's 7.2.1 menu correspond.
THE DISPLAY IS OFF
No information is visible on the display.
• 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.
• If RMU S40 is set to "Night mode", the display is off. (See
Menu 1 – Night mode.)
NIBE RMU S40 | EN 29