Liesegang Projector Dv 465 User Manual

40

Maintenance
When the  indicators  or  a  message  prompts  you  to  clean  the  air  filter,  clean  the  air  filter  as 
soon as possible
.  If the air filter becomes clogged by dust or the like, internal temperatures 
rise and the power may be automatically turned off for malfunction prevention.
1. Turn the projector off, and unplug the power cord. 
Allow the projector to cool for at least 45 minutes. And 
prepare a vacuum cleaner.
2. After making sure that the projector is cool adequately, 
slowly...

41
ENGLISH

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 and/or...

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 respond 
as described below. 
If the same message is displayed after the treatment, 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...

43
ENGLISH

Troubleshooting
Related messages (continued)
MessageDescription
CLEAN THE AIR FILTERPOWER OFF FIRST,
THEN CLEAN THE AIR  FILTER.
AFTER CLEANING THE AIR  FILTER,
RESET THE FILTER TIMER.A note of precaution when cleaning the air filter. 
Please immediately turn the power OFF, and clean or 
change the air filter by referring to the “Air Filter” section of 
this manual. After you have cleaned or changed the air filter, 
please be sure to reset the filter timer
 (37). 
NOTE  •  A lamp has a finite...

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 respond 
in accordance with the instructions within the table. If the same indication is 
displayed after the treatment, 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...

45
ENGLISH

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 unit 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 easily 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
ENGLISH

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

48

Warranty And After-Ser vice
Warranty and after-service
If a problem occurs with the equipment, first refer to the “Troubleshooting” and 
run through the suggested checks. If this does not resolve the problem, please 
contact your dealer or the service company. They will tell you what warranty 
condition is applied.
Specifications
Specifications
NOTE  • This specifications are subject to change without notice.
Item Specification
Product nameLiquid crystal projector
Liquid
Crystal
panel
Panel size1.8 cm...

49
ENGLISH

Specifications
Specifications (continued)
[unit: mm]14.3
79.780.064.265.432.2
237.4232.8
297.084.5