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Quick Start Guide Prestigio Digital Signage Video Wall
7. Troubleshooting
TIPS:
If a problem is seen on an LED video wall and its cause is hard to diagnose, please
write down a description of the symptom as detailed as possible, take some
pictures and report to the Manufacturer for help.
CAUTION:
Before any operation on the PCB or any wire connection is carried out, all
power supplies to the LED video wall MUST be completely disconnected.
When doing wire connection, please make sure all wires have been
connected properly and securely.
Symptom
One cabinet is not LED video
walling.
A small segment of the cabinet
is not LED video walling the
right color, or the segment is
uncontrollable.
One cabinet keeps LED video
walling the address number.
One unit shows a different
color or brightness from the
surrounding units.
A whole patch above a certain
cabinet in a column goes
completely dark.
One column of cabinets goes
completely dark.
EN - 27
Possible cause
Cables connected to the cabinet
•
get loose.
Program or data on the cabinet
•
control board get lost.
Something is wrong with the
•
cabinet itself.
Something is wrong with the
•
cabinet itself.
The signal cable to the cabinet is
•
not connected well.
Firmware
on
the
•
controller is impaired.
Cabinet controller is broken.
•
The gamma data on the cabinet
•
controller are different from those
on other cabinet controllers.
The brightness data on the
•
cabinet controller are different
from those on other cabinet
controllers.
Either the power supply or the
•
cable connection of the failed
cabinet at the lowest position
needs to be fixed.
The signal cable connecting to the
•
failed
cabinet
at
the
position
hasn't
been
connected.
The control board of the failed
•
cabinet at the lowest position may
be impaired.
There is no power into this
•
column.
There is no signal into this column
•
of cabinets.
Check the connectors and the
•
signal cables of the cabinet.
Update the CPU program or data
•
on the cabinet.
Replace the cabinet.
•
Replace the cabinet.
•
Connect the signal cable to the
•
cabinet properly and securely.
cabinet
Update the CPU program or
•
data on the cabinet.
Replace the cabinet controller.
•
Check the gamma data and set
•
them same as those on other
controllers.
Update the brightness data on
•
the cabinet controller or set
them to be same as those on
other controllers.
Check the power supply and
•
the power cable of the cabinet.
Correct or replace them if
necessary.
lowest
Check the cable connection on
•
properly
the cabinet controller. Connect
them properly.
Replace the cabinet controller.
•
Check the power cable and
•
power connector of the column.
Check the connectors at both
•
ends of the signal cables of the
column.
Solution
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