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Power, Video wall – BenQ RM8602K 86" Class 4K UHD Educational Touchscreen LED Display User Manual

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Appendix 3: Basic Troubleshooting Checklists for Video

Part II: problem resolving attempt & troubleshooting

The following checklist helps you identify the problem and resolve it quickly. In case a specific
problem occurs, refer to its related section and follow the check items to resolve the problem.
Contact the service provider if the problem cannot be resolved as instructed in this checklist.

Possible problems are:

Power

Try the following if the display cannot be powered up.

Video Wall

Power

Video Wall

Compatibility

Pictures

Color Management

Check item

Check if

completed

Does the

problem still

exist?

Yes

No

Please try replace the power cord.

Check if the power cable has been properly connected.

Please try to connect the display to a different power outlet.

Please confirm that the power supply is enough to support the
power for all displays.

Make sure the power switch (usually located at the rear of the
display) is switched on.

Check item

Check if

completed

Does the

problem still

exist?

Yes

No

Please use the line-interactive RS232 cable (if applicable).

Please upgrade the firmware if it is not the latest version.

Please check if all cables are working properly.