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The Monitor Remains Dark - Siemens SIMATIC Box PC 840 Manual

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6.2

The Monitor Remains Dark

Cause and Remedy
The following causes are possible:
The monitor has been switched off.
S Switch on the monitor.
The monitor is in "powersave" mode.
S Press any key on the keyboard.
The brightness button has been set to dark.
S Set the screen brightness button to obtain more light. Refer to the operating
instructions for the monitor for more detailed information.
The power supply cable or the screen cable is not connected.
S Switch off the monitor and the system unit.
S Check whether the power supply cable has been connected correctly to the
monitor and to the system unit or to the grounding outlet.
S Check whether the monitor cable has been connected correctly to the system
unit and to the monitor.
S Switch on the monitor and the system unit.
Note
If the monitor screen still remains dark after these checks and measures have
been carried out, please contact your technical support team.
SIMATIC Box PC 840 Manual
A5E00085984-04
Error Diagnosis
6-3

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