Epson Powerlite Tw100 Users Guide

							46Maintaining the Projector 
						

							4
Solving Problems47
4
Solving Problems
This chapter helps you solve problems with your projector, and tells 
you how to contact technical support for problems you can’t solve 
yourself. This chapter explains:

Using the projector’s on-screen help system

What to do when the projector’s status lights flash

Solving problems with the image

Solving problems with the remote control

Contacting technical support 
						

							48Solving Problems
Using On-Screen Help
Follow these steps to access the projector’s on-screen help:
1. Press the 
? Help button on the projector or the remote control. 
You see the Help menu:
2. Choose the option you want and press the 
Select button. You see 
the submenu, such as:
3. Highlight the problem you are having and press 
Select.
ProjectorRemote control
Select EnterExit
Help Menu
Help for the image
If the suggested solution in Help doesnt solve the problem unplug
the power from the wall outlet and contact your local dealer.Language selection (Language)
No image appears on the screen.The image is not in focus.The image is distorted.The image is not displayed fully on the screen.
(cut off/ too big/ too small/ partial) 
The color of the image is abnormal.The image is too dark.The image is trapezoi dal.
Help Menu
SelectEnterExitReturn 
						

							Solving Problems49
4. Highlight a solution (if this choice is available). Then press the 
Select button. 
Press the 
Esc button if you need to back up.
If the solution is to adjust one of the settings, use the  ,  ,  , 
or   button on the projector or the 
Select button on the remote 
control to adjust it.
5. To exit, press the 
? Help button again.
If none of the suggestions solves your problem, see additional 
solutions to problems in the following sections.
What To Do When the Lights Flash
The lights on top of the projector indicate the projector’s status and 
let you know when a problem occurs.
If the projector is not working correctly, first turn it off, let it cool, 
and unplug it. Then plug the power cord back in and turn on the 
projector. If this does not solve the problem, check the status lights on 
top of the projector and try the solutions recommended on the 
following pages.
The   power light is flashing red and you cannot turn on 
the projector.
The lamp is cooling down. Wait until the light stops flashing red (it 
will start flashing orange); then press the 
Power button to turn on the 
projector.
Power light Lamp light Temperature light 
						

							50Solving Problems
The   power light does not come on.
Make sure the power cord is connected securely both at the power 
outlet and the projector. If you have just replaced the lamp, make sure 
the cover is securely fastened.
The   lamp warning light is red or flashing red.
Replace the lamp as described on page 42. 
The   lamp warning light is flashing orange.
The lamp is almost burned out. Make sure you have a replacement 
lamp ready. 
The   temperature light is flashing orange.

The projector is too hot, and is in a high-speed cooling cycle. 
Make sure the room temperature does not exceed 95 °F (35 °C) 
and there is plenty of space around and under the projector for 
ventilation. 

The air filter may be clogged. Clean or replace it as described on 
page 40. 
The   temperature light is red.

The projector is overheating, which turns the lamp off 
automatically. Wait until the cooling fan stops, then unplug the 
power cord. Plug the power cord back in and press the 
Power 
button. Make sure the room temperature is not above 95 °F 
(35 °C) and there is plenty of space around and under the 
projector for ventilation. 

The air filter may be clogged. Clean or replace it as described on 
page 40. 

If the projector continues to overheat after you clean the air filter, 
the problem may be caused by damage to the cooling fan or 
temperature sensor. Contact EPSON for help.
Refer to the following table for a complete description of the 
projector’s status lights and their meaning.
warning
Except as specifically 
explained in this 
User’sGuide, do not 
attempt to service the 
projector yourself. 
						

							Solving Problems51
Status lights
Light Status Description
orange The projector is in standby mode. You can press the Power button to 
turn it on, or turn it off with the power switch on the back.
flashing green The projector is warming up. Wait for the image to appear.
green The projector is operating normally.
flashing red or 
orangeThe projector is cooling down. Do not turn off the main switch on the 
back or unplug it until the light stops flashing. If you want to turn the 
projector back on, you can press the Power button if the light is 
flashing orange or is solid orange. You cannot turn it on if the light is 
flashing red.
red
flashing red
flashing redPower is cut off because of an internal problem. Remove the power 
cord and contact your dealer for help.
flashing orange The lamp is almost burned out. Make sure you have a replacement 
lamp ready.
red
redThe lamp is burned out. Replace it as described on page 42.
flashing orange The projector is too hot and is in cooling mode. Make sure the 
temperature surrounding the projector does not exceed 95 
°F (35 °C) 
and there is plenty of space around and under it for ventilation. Clean 
the air filter if necessary. See page 40 for instructions.
red
redThe projector is overheating, which turns off the lamp automatically. 
Let it cool for five minutes, then turn it back on. Make sure there is 
plenty of space around and under the projector for ventilation. If it 
continues to overheat, you may need to change the air filter. See 
page 40 for instructions.
red
flashing redThe lamp was not cooled down properly. The main power switch was 
turned off before the projector cooled down the last time it was used, 
and then the projector was turned back on before one hour. Turn off 
the projector, wait 2 minutes, and when the fan stops, turn off the 
main switch. Wait another 2 minutes, then turn the projector back on. 
red
flashing redThere is a problem with the cooling fan or temperature sensor. Turn 
off the projector and unplug it. Contact your dealer for help. 
						

							52Solving Problems
Solving Image Problems
No image appears on the screen.

Check that the P power light is green, not flashing, and the lens 
cover is off. 

The projector may be in standby (or Sleep) mode. If the P power 
light is orange, press the 
Power button to turn the projector on. 
Check the 
Sleep mode setting in the Setting menu (page 35).

If the power was switched off and then on again, the projector 
may still be cooling down. Wait until the power light stops 
flashing and remains orange; then press the 
Power button again.

Make sure the power switch on the back of the projector is turned 
on.

Try pressing the Power button on the remote control.

Press the Blank button to make sure the picture has not been 
turned off temporarily. 

A video device connected to the projector may have turned off.

The attached computer may be in sleep mode or displaying a 
black screen saver. Try pressing a key on the computer.

Check the setting for the No-Signal msg. option in the Setting 
menu. If it is set to 
OFF, nothing will be displayed on the screen.
You see a blue screen with the message No Signal displayed.

If you have more than one source connected to the projector, 
press the 
Source button on the projector or one of the Input 
buttons on the remote control to select the correct input source. 
Allow a few seconds for the projector to sync up after pressing the 
button.

Make sure the cables are connected correctly, as described in the 
Quick Setup (or Appendix A, for computers).

Make sure the input source is turned on. 
						

							Solving Problems53

Check the settings for the Video Signal, Input A, or Input B 
options in the Advanced menu to make sure they are correct for 
the input source. (See page 33.)
If you’re using a PC laptop:

Press the function key that lets you display on an external 
monitor. It’s often labelled with an icon such as  , but it may 
also be labelled 
CRT/LCD. You may have to hold down the Fn key 
while pressing it. Check your laptop’s manual or online help for 
details. 
On most systems, the   key lets you toggle between the LCD 
screen and the projector, or display on both at the same time. 
Allow a few seconds for the projector to sync up after pressing it. 

Depending on your computer’s video card, you might need to use 
the Display utility in the Control Panel to make sure that both the 
LCD screen and external monitor port are enabled. See your 
computer’s documentation or online help for details.
If you’re using a Macintosh laptop with OS 9.x or earlier:
1. From the Apple menu, select 
Control Panels, then click 
Monitors and Sound.
2. Click the Arrange icon, and then drag one monitor icon on top 
of the other. 
note
If the Arrange option isn’t 
available, you may need to 
select one of the Simulscan 
resolution settings. Click the 
Monitor icon and then select 
a Simulscan resolution from 
the ones in the Resolution 
box. (Allow a few seconds for 
the projector to sync up after 
making the selection.)
Click here
Drag one monitor
icon on top of
the other 
						

							54Solving ProblemsIf you’re using a Macintosh laptop with OS X:
1. Select 
System Preferences from the Apple menu and click 
Displays.
2. Click 
Detect Displays.
3. To display the entire desktop on both your projector screen and 
LCD screen, click the 
Arrange tab. (If you don’t see this tab, 
make sure it is not hidden by another window on your screen.)
4. Click 
Mirror Displays in the lower corner of the screen. One of 
the monitor icons automatically moves on top of the other. 
Click here
Click here 
						

							Solving Problems55
The image is upside-down or reversed.
Change the setting for the Projection option in the Setting menu. 
(See page 35.)
The message Not Supported is displayed.

Make sure your computer’s resolution doesn’t exceed SXGA 
(1280
×720). Also, make sure the frequency is supported by the 
projector. (See page 76.) If necessary, change your computer’s 
resolution setting as described below. 

Check the settings for the Video Signal, Input A, or Input B 
options in the Advanced menu to make sure they are correct for 
the input source. 
Only part of the image is displayed or the image is too small, 
too large, or compressed.

Try selecting a different aspect ratio by pressing the Aspect 
button on the remote control. (See page 17.)

Make sure the image Position setting is correct on the Video 
menu. See page 33 for more information.

If you’re using a computer, make sure its resolution setting is 
correct or select one of the compatible video formats listed on 
page 76. 

Windows:
Right-click the desktop, select 
Properties, click the Settings 
tab, and select a different resolution. 

Macintosh:
On the Apple menu, choose 
Control Panels, then click 
Monitors and Sound. Select a different resolution. 

You also may need to modify existing presentation files if you 
created them for a different resolution. See your software 
documentation for specific information.