3M Digital Projector X90w Operators Manual

61
3OHDVH FKHFN DQG FOHDQ WKH DLU 

62
WARNING
y%HIRUHWDNLQJFDUHRIWKHDLU

63
Maintenance
1.Turn the projector off, and unplug the power cord. Allow the 
SURMHFWRUWRFRROVXI

64
Maintenance
Inside of the projector
In order to ensure the safe use of your projector, please have it cleaned and 
inspected by your dealer about once every year.
Caring for the lens
DWLRQRIGLVSOD\
quality. Please take care of the lens, being cautious of handling.
1.Turn the projector off, and unplug the power cord. Allow the projector to cool 
VXI

65
Troubleshooting
Related messages
When the unit's power is on, messages such as those shown below may be 
displayed. When any such message is displayed on the screen, please follow the 
instructions described below. If the same message is displayed after the remedy, 
or if a message other than the following appears, please contact your dealer or 
service company.
Although these messages will be automatically disappeared around several 
minutes, it will be reappeared every time the power is turned...

66
Troubleshooting
Regarding the indicator lamps
/LJKWLQJDQG

67
Troubleshooting
Regarding the indicator lamps (continued)
POWER
indicatorLAMP 
indicatorTEMP 
indicatorDescription
Blinking
In
Red
or
Lighting
In
Red
Turned
offBlinking
In
Red
The cooling fan is not operating.
Please turn the power off, and allow the projector to 
cool down at least 20 minutes. After the projector has 
VXI¿FLHQWO\FRROHGGRZQSOHDVHPDNHFRQ¿UPDWLRQ
that no foreign matter has become caught in the fan, 
etc., and then turn the power on again.
If the same indication is displayed after...

68
Troubleshooting
Phenomena that may be easy to be mistaken for machine defects
WARNING
yNever use the projector if abnormal operations such as 
smoke, strange odor, excessive sound, damaged casing or elements or cables, 
penetration of liquids or foreign matter, etc. should occur. In such cases, 
immediately turn off the power switch and then disconnect the power plug from 
the power outlet. After making sure that the smoke or odor has stopped, contact 
your dealer or service company.
1.Before...

69
Phenomena that may be easy to be mistaken for machine defects (continued)
Phenomenon Cases not involving a machine defectReference
page
Sound does not 
come out.
The signal cables are not correctly connected.
Correctly connect the audio cables.10
The MUTE function is working.
Restore the sound pressing the MUTE or VOLUME button 
on the remote control.18
The volume is adjusted to an extremely low level.
Adjust the volume to a higher level using the menu function 
or the remote control.18
The AUDIO...

70
Phenomena that may be easy to be mistaken for machine defects (continued)
Phenomenon Cases not involving a machine defectReference
page
Pictures appear 
dark.
The brightness and/or contrast are adjusted to an 
extremely low level.
Adjust BRIGHTNESS and/or CONTRAST settings to a 
higher level using the menu function.26, 27
The WHISPER function is working.
Select NORMAL for the WHISPER item in the SETUP 
menu.26, 37
The lamp is approaching the end of its product 
lifetime.
Replace the lamp.59, 60...