Troubleshooting - Mitsubishi Electric DLP EX321U User Manual

Troubleshooting

The projector does not turn on.
Cause
There is no power from the power cable.
Attempting to turn the projector on again during
the cooling process.
No picture
Cause
The video source is not turned on or connected
correctly.
The projector is not correctly connected to the
input signal device.
The input signal has not been correctly selected.
The lens cover is still closed.
Blurred image
Cause
The projection lens is not correctly focused.
The projector and the screen are not aligned
properly.
The lens cover is still closed.
Depending on video signal timing, the projector
needs to fine-tune for less blurred image.
Remote control does not work
Cause
The battery is out of power.
There is an obstacle between the remote control
and the projector.
You are too far away from the projector.
The password is incorrect
Cause
You do not remember the password.
The LAN function cannot be used
Cause
LAN control settings or LAN cable connection are
problematic.
The web page is not shown in the web browser or
the web page is not responding.
EN-54
Remedy
Plug the power cord into the AC inlet on the projector, and plug
the power cord into the power outlet. If the power outlet has a
switch, make sure that it is switched on.
Wait until the cooling down process has completed.
Remedy
Turn the video source on and check that the signal cable is
connected correctly.
Check the connection.
Select the correct input signal with the SOURCE key on the
projector or remote control.
Open the lens cover.
Remedy
Adjust the focus of the lens using the focus ring.
Adjust the projection angle and direction as well as the height of
the unit if necessary.
Open the lens cover.
Adjust Phase in the IMAGE menu.
Remedy
Replace the battery with a new one.
Remove the obstacle.
Stand within 8 meters (26 feet) of the projector.
Remedy
Please see "Entering the password recall procedure" on page 23
for details.
Remedy
Verify the LAN control settings. Please see
Control Settings" on page 36
cables are properly connected.
Reload the page to see the data after changing on the screen. If
the page is not showing the modified data, check the IP address
of projector and log-in again.
"Configuring the LAN
for details. Make sure the LAN