Kensington MP-20E - Manual (Page 45)

E-45
Troubleshooting
Power does not come on
Projection lamp does not light
There is no image
Image is distorted
Image is blurred
The image flickers
The image is out of adjustment
The color is not right
There is no sound
There is a snap sound
from the cabinet
The TEMP LED lights
The LAMP/COVER LED
lights in red
The remote control will
not work
At the time of personal
computer input selection, the
position of the video is shifted,
or the display is compressed
When you think the projector may be out of order, please first check the following matters before requesting repair.
Symptom Please check this Reference page
E-21
E-41
E-42
E-44
E-39
E-41
E-23
E-16, E-20
E-35
E-18
E-14
E-37
E-22
E-14
E-37
E-8
E-35
E-35
E-35
E-22
–
E-39
E-44
E-42
E-41
E-3, E-13
E-13
E-13
E-13
E-35
• Is the power cable connected?
• Is the lamp burned out?
• Is the lamp unit cover installed?
• Is the air filter installed?
• Is the internal temperature high? If so, the lamp will not light
to protect the projector from damage.
• Is the lamp usage time in excess of 2000 hours?
• Has the connected input been selected?
• Is the cable of the connected equipment properly connected?
• Have "Brightness" and "Contrast" of the "Image adjustment"
menu been set all the way to the minus side?
• Have you checked the functions of the personal computer?
• Is the projector set up properly?
• Has keystone correction been applied?
• Has the focus been adjusted?
• Is the projection distance within the range that can be
properly focused?
• Has keystone correction been applied?
• Is the lens cap attached?
• Please adjust "Phase" of the "Sync adjustment" menu.
• Are the settings of the "Sync adjustment" menu suitable?
• Please adjust "Phase" of the "Sync adjustment" menu.
• Is the volume adjustment set to the minimum?
• This sound is associated with the minute expansion or
shrinkage of the cabinet due to a change of the temperature.
It has no effect on performance or anything else.
• Follow the instructions on the "Fault Protection" measures
page.
• Is the air filter disengaged?
• Is the lamp unit cover disengaged?
• Is the lamp usage time in excess of 2000 hours?
• Is the battery exhausted? Or is it weak?
• Is the remote control IR sensor exposed to illumination or
other light?
• Is the remote control IR sensor blocked?
• Is an inverter device located close by?
• Please adjust using the "Sync adjustment" menu.