4 Appendix4.1 TroubleshootingNZM-XMC-MDISP... 02/2016 MN048013 EN www.eaton.eu 354 Appendix4.1 TroubleshootingTable 15: Faults and fixesFault and possible cause RemedyThe device will not start (boot up)There is no voltage at the power supply interface. Check the input wiring.The set screws used to mount the device are too tight. Loosen the set screws(observe the maximum torque, → Section2.5.1, “Mounting the device”, page31)The device is faulty. Send the device in for repairs.The display stays or turns dark.The backlight is deactivated. Check the function in the visualization software.The backlight is faulty. Send the device in for repairs.The resistive touch is not responding or is respondingincorrectly when used.The resistive touchscreen is not calibrated correctly. Start the device (boot it up). Calibrate the resistive touchscreen(see manual MN05010007Z-EN).The resistive touchscreen is disabled. Start the device (boot it up). Calibrate the resistive touchscreen(see manual MN05010007Z-EN).This icon appears in the task bar.The control elements shown on the display were used incor-rectly.Remove all objects (including fingers) from thedisplay area.The set screws used to mount the device are too tight. Loosen the set screws(observe the maximum torque, → Section2.5.1, “Mounting the device”, page31)The device is faulty. Send the device in for repairs.