3-2 Main Procedure
Start
Connect power cord,
analog or digital signal,
and then turn on the
projector
Do the lasers ignite?
Refer to verify
power functionality
Is the image quality
good?
Refer to verify
image
performance
No
Is the IR remote keypad
working?
Refer to verify the
IR remote keypad
operation
No
No fault found
Yes
No
End
Is the network connection
functioning?
Refer to verify the
network connection
No
Yes
Yes
Is the power button
backlit?
Refer to No Power
Troubleshooting
No
Press the power button
to turn on the projector
Yes
Yes
EK-815U
3-2