User guide
What to do if...
What to do if...
Often when your modular BEETLE /M POS system is not functioning
correctly, it is unnecessary to call the Service Department.
The Operating Display remains dark after switching on the system
Thismaybecausedby:
Power Fail
■ Switch off the system and check power cable connections to system
and to the grounded protective-contact socket.
■ Switch on again with the main switch.
Internal Power Supply Surcharge
■ Switch off the system and disconnect the power plug of the system
from the grounded protective-contact socket.
■ Connect the system to the socket again.
■ Switch on again with the main switch.
Screen remains black
Screen is switched off
■ Switch on the screen
Screen is blanked
■ Press any key of the keyboard
■ Switch off the screen saver by entering the correct password.
Appendix What to do if...
GB - 81