Appendix
PPC-1561
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8. Appendix
8.1 Troubleshooting and Solutions
Common
Malfunctions
Reasons
Troubleshooting and Solution
No power supply
Please check the power supply
and the power cable/connector.
The device is not
operating
Improper device operating
environment
1. Check with the environment
conditions;
2. Please wait for twelve hours
before powering on the
device shipped in cold
weather.
The display has not been
turned on
Turn on the display
The display is under
“power saving” mode
Press any key on the keyboard.
The luminance control is
set to “Black”.
Increase the screen luminance by
luminance control. Please refer to
the instructions of the display for
detailed information.
The external
display is black
Power cable or display
cable is not connected
1. Please check whether the
power cable is correctly
connected with the display, the
system unit or the ground port.
2. Please check whether the
display cable is correctly
connected with the display and
the system unit.
3. Contact Technique Support if
the screen remains black after
implementing the above
measures.