3M Multimedia Projector X68 Operators Manual

41

Maintenance
WARNING    ►Before caring, make sure the power switch is off and the 
power cable is not plugged in, and then allow the projector to cool suffi ciently. 
The care in a high temperature state of the projector could cause a burn and/or 
malfunction to the projector.
►Never try to care for the inside of the projector personally. Doing is so 
dangerous. 
►Avoid wetting the projector or inserting liquids in the projector. It could result 
in a fire, an electric shock, and/or malfunction to the...

42

Troubleshooting
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...

43

Troubleshooting
Related messages (continued)
MessageDescription
CHECK THE AIR FLOW
The internal temperature is rising. 
Please turn the power off, and allow the projector to cool 
down at least 20 minutes. After having confirmed the 
following items, please turn the power ON again. 
 • Is there blockage of the air passage aperture? 
 • Is the air filter dirty? 
 • Does the peripheral temperature exceed 35°C?
If the same indication is displayed after the remedy, please 
set FAN SPEED of the SERVICE...

44

Troubleshooting
Regarding the indicator lamps
Lighting and flashing of the POWER indicator, the LAMP indicator, and the TEMP 
indicator have the meanings as described in the table below. Please follow the 
instructions within the table. If the same indication is displayed after the remedy, 
or if an indication other than the following is displayed, please contact your dealer 
or service company.
POWER 
indicatorLAMP indicatorTEMP indicatorDescription
Lighting
In Orange
Turned
offTurnedoff
The...

45

Troubleshooting
Regarding the indicator lamps (continued)
POWER 
indicatorLAMP indicatorTEMP indicatorDescription
Blinking
In Red
or
Lighting
In Red
Turned
off
Blinking
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 
sufficiently cooled down, please make confirmation 
that no foreign matter has become caught in the fan, 
etc., and then turn the power on again.
If the same indication is displayed...

46

Troubleshooting
Phenomena that may be easy to be mistaken for machine defects
WARNING  ►Never 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...

47

Phenomena that may be easy to be mistaken for machine defects (continued)
PhenomenonCases not involving a machine defectReference
page
No pictures are 
displayed.
The lens cap is attached.
Remove the lens cap.4, 16
The signal cables are not correctly connected.
Correctly connect the connection cables.10, 11, 12
The brightness is adjusted to an extremely low level.
Adjust BRIGHTNESS to a higher level using the menu 
function or the remote control.
23, 25
The computer cannot detect the projector as a...

48

Specifications
Specifications
NOTE  • These specifications are subject to change without notice.
ItemSpecification
Product nameLiquid crystal projector
Liquid
Crystal
panel
Panel size1.8 cm (0.7 type)
Drive systemTFT active matrix
Pixels786,432 pixels (1024 horizontal x 768 vertical)
LensZoom lens F=1.7 ~ 1.9 f=21.8 ~ 26.2 mm
Lamp230W UHB
Speaker1W x 1
Power SupplyAC100-120V/4.0A, AC220-240V/2.0A
Power Consumption370W
Temperature range
5 ~ 35°C (Operating)
Size
336 (W) x 95 (H) x 265 (D) mm 
(Not...

49

Specifications
Specifications (continued)
265mm
95mm109mm 

50

Accessories
Accessories
Accessories ............................................................... Part Number
UHB lamp, 230W ..................................................................78-6969-9797-8
Air Filter ................................................................................ 78-8118-9505-7
Power cord (US) ................................................................... 78-8118-8102-4
Power cord (UK) ......................................................................