CK4L-9000 Series User Manual
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A Too long VGA or DVI cable leads to serious signal loss.
B Video source device is not stable or cables are damaged
C Failure of display unit
D Video wall processor’s output is not compatible with display unit
Solution
:
A Please use other stand-alone display unit to connect to the output of video wall
processor. If image shows normally, please check the display unit.
B Change the normal output cable with the abnormal cable, if the problems still exist, it
shows problems result from display unit.
C Connect the input signal to display unit directly without go through the processor,
check whether the output image is normal.
D If the processor and display equipment are normal, it may be matching problem
between processor and display equipment. please contact our engineer to solve it.
Attentions:
1 The above listed is the common failure in after-sales maintenance. If you find the device
failure phenomena are not in above range. Please notify the suppliers to solve as soon as
possible. Please do not open the case without authorization, so as not to expand the fault
or cause unnecessary safety accidents.
2 Our company reiterates: without the permission, you who take device apart will bear all
the responsibilities that it may bring.