Epson Projector Emp 7900 User Manual

110
Problem SolvingIf you are having a problem with the projector, first check the projectors indicators while referring to Reading the Indicators below.
If the indicators do not show clearly what the problem might be, refer to When the Indicators Provide No Help.    p.113Reading the Indicators
The projector is provided with the following three indicators. These indicators notify you of the operating status of the projector.
The following tables show what the indicators mean and how to remedy the...

111
Problem Solving
Lamp cover is open error/
Lamp timer failure/
Lamp out
Take out the lamp and check if it is broken. Replacing the Lamp   p.125
If the lamp is not broken, put it back in and then turn the power on. If the lamp still does not turn 
on, replace it with a new lamp.
If this does not solve the problem, stop using the projector and disconnect the power cable from 
the electrical outlet. Then contact your dealer or the nearest address provided in the International 
Warranty Conditions section...

112
Problem Solving
If all indicators are switched off, check that the power cable is connected correctly and that power is being supplied normally.
Standby condition
(Not abnormal)
Press the [Power] button on either the remote control or the projectors control panel to start 
projection.
When turning off the projectors power, disconnect the power plug from the electrical outlet when 
the projector is in this condition.
Warm-up in progress
(Not abnormal)
Please wait. Warm-up time is approximately 30...

113
Problem Solving
When the Indicators Provide No Help
First refer to the following problems to determine what type of problem it is that you are having, and then refer to the page containing details of the problem.
No images appear   p.114
Projection does not start, the projection area is completely black, the 
projection area is completely blue, etc.
Projection stops automatically   p.114
The message Not Supported. is displayed   p.115
The message No Signal. is displayed   p.115
Images are fuzzy or...

114
Problem Solving
 No images appear
 Projection stops automatically
Problems relating to images
Check
Remedy
Was the [Power] button pressed?
Press the [Power] button on either the remote control or the projectors control panel to turn the 
power on.
The remote control cannot be used unless the [R/C] switch of the remote control is at ON. 
 p.31
Is the A/V Mute function active?
Press the [A/V Mute] button on either the remote control or the projectors control panel to cancel 
the A/V Mute function....

115
Problem Solving
 The message Not Supported. is displayed
 The message No Signal. is displayed
Check
Remedy
Are the image signal format settings correct?
If a composite video
g or S-Video
g source is connected to the projector, use the Video Signal 
menu command to select the signal format. 
Video - Video Signal   p.77
Does the mode match the frequency and 
resolution of the image signals?
Use the Frequency menu command to check the signals being input.
About - Frequency   p.89
Check the frequency and...

116
Problem Solving
 Images are fuzzy or out of focus
 Interference or distor tion appear in images
Check
Remedy
Has the focus been adjusted correctly?
Turn the focus ring on the projector to adjust the focus.   p.37
Is the lens cover still attached?
Remove the lens cover.   p.30
Is the projector at the correct distance?
The recommended projection distance range is 77–1113 cm. Set the projector up so that it is within 
this range.   p.16
Is the keystone adjustment value too large?
Decrease the projection...

117
Problem Solving
 Image is truncated (large) or small
Check
Remedy
Is the image in real display?
Is the aspect ratio setting correct?
Press the [Resize] button on either the remote control or the projectors control panel.   p.66
Is the image still being enlarged by the 
E-Zoom function?
Press the [ESC] button on the remote control to cancel the E-Zoom function.   p.59
Has the Position setting been adjusted 
correctly?
If analogue RGB computer signals are being input, press the [Auto] button on the...

118
Problem Solving
 Image colours are not right
Check
Remedy
Do the input signal settings match the signals 
from the connected device?
If the Comoputer Input or BNC Input in the configuration menu has been set to Component 
video when a computer or RGB video is connected to the [Computer] port or [BNC] ports of the 
projector, the image will appear purplish.
If the Comoputer Input or BNC Input in the configuration menu has been set to RGB when a 
component video
g is connected to the [Computer] port or...

119
Problem Solving
 Images appear dark
 Mail notification messages are not being sent when a problem occurs with the projector
Check
Remedy
Have the image brightness and luminance 
been adjusted correctly?
Use the Brightness and Brightness Control menu commands to adjust the brightness and 
luminance.
Video - Brightness   p.73, p.76
Advanced2 - Brightness Control   p.87
Has the image contrast
g been adjusted 
correctly?
Use the Contrast menu command to adjust the contrast.
Video - Contrast   p.73, p.76...