Epson Projector Ex31 User Manual

Solving Problems91
Checking Projector Status
If your projector isn’t working correctly, first turn it off and unplug it. 
Then plug the power cord back in and turn on the projector. If this 
doesn’t solve the problem, check the lights on top of the projector.
What To Do When the Lights Flash
The lights on top of the projector indicate the projector’s status.
Refer to the following tables for a complete description of the 
projector’s status lights:
Temperature 
light Lamp light Power light
Power light...

92Solving Problems Error light(s) status
Error light(s) status Description
PGreen or orange
Flashing orange
OffIt’s time to replace the lamp. See page82 for instructions. If you continue to 
use the lamp after the replacement warning, there is an increased possibility 
that the lamp may break.
PFlashing red
Off
Flashing orangeRapid cooling is in progress. Although this is not an abnormal condition, 
projection will stop automatically if the temperature rises higher. Make sure 
there is plenty of space...

Solving Problems93
Solving Projector Operation Problems
The power doesn’t turn on.
■If the projector doesn’t turn on when you press the Ppower 
button, make sure the power cord is connected to the projector 
and plugged into a working electrical outlet.
■The power cord may be defective. Disconnect the cord from the 
outlet and contact Epson as described on page 100.
■If you’re using the Direct Power On function and you 
immediately plug the power cord back in after unplugging it, the 
power may not turn...

94Solving Problems
■The attached computer may be in sleep mode or displaying a 
black screen saver. Try pressing a key on the computer.
■If you are projecting from a DVD player or other video source, 
make sure you turn it on and press its 
Play button.
■If you are projecting from a composite or S-Video video source, 
make sure the Video Signal setting is correct (see page 67).
■You can also try resetting all of the menu settings (see page 65).
You’ve connected a computer and see a blue screen with the...

Solving Problems95
If you’re using Mac OS X:
1. Open 
System Preferences. 
2. Click 
Displays.
3. Click 
Detect Displays. 
4. Make sure the 
VGA Display or Color LCD dialog box is selected.
5. Click the 
Arrangement or Arrange tab.
6. Make sure the 
Mirror Displays checkbox is selected. 
The message Not Supported is displayed.
■Make sure the correct input signal is selected in the Signal menu 
(see page 67).
■Make sure your computer’s resolution and frequency or refresh 
rate is supported by the...

96Solving Problems
■If you’re projecting a widescreen computer image, adjust the 
Resolution setting (see page 67), if necessary.
■If you’re projecting an image from a computer with dual display 
activated, turn dual display off.
The image isn’t square, but keystone-shaped.
If the image isn’t evenly rectangular, adjust its shape as described on 
page 47.
The image contains static or noise.
■If you’re using a computer cable longer than 6 feet (1.8 meters), 
or an extension cable, the image quality may be...

Solving Problems97
The image is blurry.
■There may be dirt or smears on the lens. Clean the lens as 
described on page 80.
■Adjust the focus using the focus ring (see page 49).
■If the projector is angled sharply toward the screen, it may not be 
possible to focus the entire image. Move the projector to position 
it more directly in front of the screen.
■Lower the projection angle to reduce the amount of keystone 
correction required.
■Make sure the projector is within the proper range (projection...

98Solving Problems2. Adjust the 
Tracking to eliminate vertical bands. 
3. Adjust the 
Sync setting to increase the image sharpness. 
The image is too light or dark, or colors are incorrect.
■Press the Color Mode button or select a different Color Mode 
option in the Image menu. See page 50 for details on the available 
options. 
■If you’re displaying video, adjust the Color Adjustment and 
Color Mode settings on the Image menu. You can also try 
adjusting the 
Color Saturation, Color Temp, and Tint...

Solving Problems99
There is no sound, or the sound is not loud enough.
■Use the Volume buttons to adjust the volume (see page 56), or 
adjust the 
Volume setting in the Settings menu.
■Make sure A/V Mute is not enabled. (Press the A/V Mute button 
to disable it.) 
■If your presentation includes computer audio, make sure the 
volume control on your computer is not turned all the way down 
or muted. In Windows, you may be able to check this by clicking 
the volume control in your Windows system tray (lower...

100Solving Problems
Where To Get Help
Epson provides these technical support services:
Internet Support 
Visit Epson’s support website for solutions to common problems with 
the EX31
, EX51, or EX71 (U.S.) or EX31, EX51 or EX71 (Canada). 
You can download utilities and documentation, get FAQs and 
troubleshooting advice, or e-mail Epson with your questions.
Speak to a Support Representative
To use the Epson PrivateLine Support service, call (800) 637-7661 
and enter the PIN on the included Epson...