Part Ii: Problem Resolving Attempt & Troubleshooting - BenQ RM750K Installation Handbook

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
• Pictures
Power
Try the following if the display cannot be powered up.
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.
Video Wall
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.
90 Appendix 3: Basic Troubleshooting Checklists for
• Video Wall
• Color Management
Check item
Check item
• Compatibility
problem still
Check if
completed
problem still
Check if
completed
Does the
exist?
Yes No
Does the
exist?
Yes No