Projector Leds - Lenovo ThinkVision C400 User Manual

Projector LEDs

The LED on top of the projector indicates the state of the projector and can help
you troubleshoot. There are two-second pauses between the blinking cycles. For
more details on LED projector errors, contact your Lenovo representative.
Table A-1. Troubleshooting (continued)
Problem
The projector does not respond to
the remote control.
There is no sound.
The sound is distorted.
Table A-2. Lamp-ready LED error messages
Lamp-ready LED number of flashes Explanation
Flashing
1
2
3
4
5
Table A-3. Power LED error messages
Power LED number of flashes
3
4
5
6
7
8
Solution
v Direct the remote control towards the remote sensor
on the projector.
v Ensure the path between remote and sensor is not
obstructed.
v Turn off any fluorescent lights in the room.
v Check the battery orientation.
v Replace the batteries.
v Turn off other Infrared-enabled devices in the
vicinity.
v Have the remote control serviced.
v Adjust the volume on the remote control.
v Adjust the volume of the audio source.
v Check the audio cable connection.
v Test the source audio output with other speakers.
v Have the projector serviced.
v Check the audio cable connection.
v Test the source audio output with other speakers.
v Have the projector serviced.
Ready- do not press the power button.
Front cover fan error
Lamp fan error
Power board fan error
Blower fan error
Ballast fan error
Explanation
System overheating
System interface error
Lamp error
Fan error. Refer to Lamp-ready LED to determine
which fan.
Lamp cover open
DLP driver error.
Appendix A. Troubleshooting
A-3