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Common Problems
If you think a malfunction has occurred, check the following before contacting your service
representative.
Problem Solutions
Power does not turn on. • Make sure the power plug or connector is connected
correctly.
• Make sure the lamp cover is mounted correctly.
For details, see p.75 "Replacing the Lamp".
Power turns off during use. • Make sure the environment in which the projector is
being used is within the acceptable temperature range.
• Make sure the vents are not blocked.
No image. • Make sure the input signal is switched correctly if [Auto
Input Search] in [Default Settings] is set to [Off].
For details, see p.59 "Default Settings Menu".
• Make sure the mute function is not turned on.
See p.35 "Temporarily blanking the image and muting
the audio".
• Check the settings of [Brightness] in [Image Adjustment].
For details, see p.53 "Image Adjustment Menu".
• Make sure the computer or AV equipment is connected
to the projector correctly.
For details, see p.23 "Connecting Equipment to the
Projector".
• Make sure the computer's image output is switched
correctly.
For details, see p.30 "When projecting the screen of a
notebook computer".
• Make sure the computer or AV equipment is working
properly.
4. Troubleshooting
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