What should be done?

During a routine service visit, an engineer notices an LED indicator on a projector’s front panel blinking regularly.

What should be done?
A . consult the projector’s manual
B . replace the projector’s lamp and filters
C . disregard because the projector is operational
D . remove the power cable and re-boot the projector

View Answer

Answer: A

Explanation:

When an LED indicator on a projector blinks regularly, it typically signifies an error or a status message that needs attention. The correct course of action is to consult the projector’s manual. The manual will provide specific information regarding what the blinking pattern means and the appropriate steps to resolve the issue. This method ensures that the engineer addresses the problem correctly without causing further damage or misdiagnosing the issue.

Reference: Axis Communications – Maintenance and Troubleshooting Guide Manufacturer’s Projector Manuals