EK-620U/EK-621W
3-2
3-2 Main Procedure
Start
Connect power cord,analog or
digital signal cable properly
Dose the power
LED light ?
Dose the laser ignite ?
Is image OK?
Yes
No
Yes
No Fault Found
End
Yes
No power
troubleshooting
No
No
Turn on the projector
Power
troubleshooting
Image
troubleshooting
Is remote control
OK?
No
Remote control
troubleshooting
Is network OK?
No
Yes
Yes
Network
troubleshooting