5. Troubleshooting
Check Point of Each Problem for Solution
Projector
Use this section to diagnose problems with the projector.
Problem
Power does not turn on.
Power turns off during use.
No image.
No sound.
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Solutions
• Make sure the power plug or connector is connected
correctly.
• Make sure the lamp cover is mounted correctly.
page 61 "Lamp Unit"
• Make sure the environment in which the projector is
being used is within the acceptable temperature range.
• Make sure the vents are not blocked.
• Make sure the input signal is switched correctly if [Auto
Input Search] in [Default Settings 1] is set to [Off].
• Make sure the AV mute function is not turned on.
• Check the settings of [Brightness] in [Image Adjustment].
• Make sure the computer or AV equipment is connected
to the projector correctly.
• Make sure the computer's image output is switched
correctly.
• Make sure the computer or AV equipment is working
properly.
• Make sure the input signal is switched correctly if [Auto
• Input Search] in [Default Settings 1] is set to [Off]. For
details about how to switch the input signal.
• Make sure the AV mute function is not turned on.
• Check the speaker's volume adjustment.
• Make sure the computer or AV equipment is connected
to the projector correctly.
• Make sure the computer or AV equipment is working
properly.