Problem

Solution

 

 

There is no light from the projector

v Check that the power cable is securely connected.

 

v Ensure the power source is good by testing with another electrical

 

device.

 

v Restart the projector in the correct order and check that the Power

 

LED is green.

 

v If you have replaced the lamp recently, try resetting the lamp

 

connections. Make sure the lamp cover is flush with the projector

 

case when closed.

 

v Replace the lamp module. See “Replacing the projector lamp” on

 

page A-1.

 

v Put the old lamp back in the projector and have the projector

 

serviced.

 

 

The lamp goes off.

v Power surges can cause the lamp to turn off. Press the Power button

 

twice to turn off the projector. When the Lamp Ready LED is on,

 

press the Power button.

 

v Replace with a new lamp module. See “Replacing the projector

 

lamp” on page A-1.

 

v Put the old lamp back in the projector and have the projector

 

serviced.

 

 

The projector does not respond to the

v Direct the remote control towards the front or rear remote sensors

remote control.

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 polarity.

 

v Replace the batteries.

 

v Turn off other Infrared-enabled devices in the vicinity.

 

v Have the remote control serviced.

There is no sound.

v Adjust the volume on the remote control. See “Adjusting the

 

volume” on page 2-5.

 

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.

The sound is distorted.

v Check the audio cable connection.

 

v Test the source audio output with other speakers.

 

v Have the projector serviced.

Projector LEDs

The LEDs on top of the projector indicates the state of the projector and can help you troubleshoot.

 

Status/# of

 

LED

Flashes

Description

 

 

 

Ready

Flashing

Lamp not ready - do not press the power button

 

 

 

 

1

Blower fan error

 

 

 

 

2

Optical fan error

 

 

 

 

3

Lamp, ballast, power or internal fan error

 

 

 

B-2Lenovo C500 Projector User’s Guide

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Image 60
Lenovo C500 manual Projector LEDs, Led