6 FAQ. Dahua LS550UCM-BF

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6 FAQ. Dahua LS550UCM-BF | Manualzz

6 FAQ

Most problems can be solved by the following solutions. If problems that you encountered are not covered in the following table, contact after-sales personnel.

Problems

When you turn on the video wall, there are no images on the screen

(blank screen).

Blank screen (no signal displayed).

Color missing.

Remote control cannot control the screen.

Temperature of the video wall is too high.

Table 6-1 FAQ

Solutions

Check whether the power source (220 VAC) is connected to alternating current.

Check whether the power cord is broken.

Check whether the power switch is on.

Check whether the power switch is broken.

Check whether the indicator light is on.

Check whether the signal wires are in bad contact.

Check whether there is signal source output.

Check whether the signal wires are broken.

Check whether the input signal type does not belong to the types allowed by the video wall.

Check whether the signal wires are in bad contact.

Check whether the signal wires are broken.

Check whether batteries of the remote control are installed correctly.

Check whether the ventilation around the video wall is good.

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