Epson Powerlite 7300 Users Guide

Transporting the Projector
123
6. Gently insert the new lamp unit by lowering it into position. 
Make sure it’s inserted securely. Tighten the screws on the new 
lamp unit.
7. Replace the lamp cover and tighten the cover screws. (Make sure 
the lamp cover is securely fastened. The projector turns itself off if 
the lamp cover is open.)
Transporting the Projector
The projector contains many glass parts and precision parts. If you 
need to transport it, please follow these packing guidelines to prevent...

5  •  Maintenance             124
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125
6Troubleshooting
T
his chapter describes the problems indicated by the warning lights 
and provides information on how to solve problems with the projector. 
It is divided into the following sections:
l
Problems with the projector. See this section if the projector is not 
working and to find out what the warning lights are indicating.
l
Problems with the remote control. See this section if the projector 
is not responding to remote control commands.
l
Problems with the screen image. See this section...

6  •  Troubleshooting             126
If you have a problem, check the appropriate section and follow all 
suggestions that apply to your problem. If none of the suggestions 
solves the problem, call your dealer or contact EPSON as described on 
page 6.
Problems with the Projector
If you have problems with the projector, first turn it off and unplug it. 
Then plug the power cord back in and turn on the projector. If this 
does not solve the problem, check the warning lights at the top of the 
projector....

Problems with the Projector
127
See the following pages for information on what to do when you see 
these warning lights or encounter other specific problems with the 
projector.Light Color Meaning
Temperature Flashing orange The projector is hot.
Red The projector is too hot and has turned off 
automatically.
Flashing red There’s a problem with the cooling fan or 
temperature sensor. Call a service 
representative.
Projection
lampRed or
flashing orange and redThe lamp needs to be replaced. (See...

6  •  Troubleshooting             128
w
The power light is flashing orange and you cannot turn on the 
projector.
The lamp is cooling down. Wait until the light turns off and then turn 
on the projector.
w
The power light does not come on.
Turn off the projector, check that the power cable is connected 
securely both at the power outlet and the projector, and press the 
Power button again. Try removing and reseating the lamp.
w
Projected images get darker or start to deteriorate, or the projection 
lamp...

Problems with the Remote Control
129
Problems with the Remote Control
w
The projector doesn’t respond to remote control commands.
The remote control unit’s batteries may be low on power. Replace 
them.
Make sure the projector’s mouse cable is securely connected to both 
your computer’s mouse port and the projector’s main cable. See 
Chapter 1 for details.
Make sure you selected the correct COM (communication) port for 
the wireless mouse control when you set up the ELP Link III software. 
If necessary,...

6  •  Troubleshooting             130
Problems with the Image or Sound
w
An image does not appear on the screen.
Check that the Power light is on and the lens cover is off. Also make 
sure the cables are installed correctly, as described in Chapter 1.
The correct image source may not be selected. Press the Source 
button on the remote control or the control panel to choose another 
image source. 
w
Only part of the computer image is displayed.
If the computer’s output resolution setting is higher than...

Problems with the Image or Sound
131
w
The message NO SIGNAL is displayed.
An image source not connected to the projector is selected, the signal is 
not being output from the computer, or the signal is not reaching the 
projector. Make sure the connectors are securely attached to both the 
projector and the image source. Then check that the image source is 
selected correctly. If your projector is attached to a Macintosh, make 
sure that the DIP switches on your Macintosh desktop adapter are set...

6  •  Troubleshooting             132
Check your monitor’s color balance if you’re displaying a computer 
image.
w
There is no sound.
First check that the volume setting is not turned all the way down and 
that the audio/video cable is securely attached to both the projector 
and the audio source. Also, make sure that the Mute button is not 
enabled.
The wrong source is selected. Press the Source button on the remote 
control or control panel to select the proper source.
5300.book  Page 132  Tuesday,...