Vivitek Dw3351 User Manual

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4.  Unlock the lamp cover. 
 
5.  Pull up and remove the cover. 
6.  Use a screwdriver to remove the screws 
from the lamp module. 
 
7.  Pull out the lamp module.    

 
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8.  Reverse steps 1 to 7 to install the new 
lamp module.  
While installing, align the lamp module 
with the connector and ensure it is level 
to avoid damage. 
Note:  
The lamp module must sit securely in 
place and the lamp connector must be 
connected properly before tightening 
the screws. 
 
 
9.  Turn on the projector and reset the lamp after the lamp module is replaced. 
Lamp Reset: 
Press Menu > Select SYSTEM SETUP >> Advanced > Select Lamp Settings > Select Reset 
Lamp Timer > Press...

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Cleaning the Projector 
Cleaning the projector to remove dust and grime will help ensure trouble-free operation.  
 Warning: 
1. Be sure to turn off and unplug the projector at least 30 minutes before cleaning. Failure to do so 
could result in a severe burn. 
2. Use only a dampened cloth when cleaning. Do not allow water to enter the ventilation openings 
on the projector.  
3. If a little water gets into the projector interior while cleaning, leave unplugged in a well-ventilated 
room for...

 
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Cleaning the Air Filter 
Refer to the following to clean the air filter. 
1. Open the latch to open the filter door. 
 
2. Remove the filter. 
    

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3. Use a vacuum cleaner to vacuum the dust inside. 
 
Note:  
1. Use the soft brush attachment when you vacuum the filter to avoid damage it. 
2. Do not wash the filter with water. Doing so can result in filter clogging. 
4. Put the filter back. 
 
     

 
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5. Close the filter door and lock the latch. 
 
6. Turn on the projector and reset the lamp after the lamp module is replaced. 
Lamp Reset: 
Press MENU > Select SYSTEM SETUP >> Advanced and select Air Filter Timer Reset.  
Press ENTER to reset timer. 
 Important:  
The Filter LED lights when the filter service time is on (1000 hours). 
If the filter is broken, please use a new one.    

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Using the Physical Lock 
Using the Kensington® Security Slot 
If you are concerned about security, attach the projector to a permanent object with the Kensington slot 
and a security cable. 
 
Note: 
Contact your vendor for details on purchasing a suitable Kensington security cable. 
The security lock corresponds to Kensington’s MicroSaver Security System. If you have any com-
ment, contact: Kensington, 2853 Campus Drive, San Mateo, CA 94403, U.S.A. Tel: 800-535-4242, 
http://www.Kensington.com....

 
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TROUBLESHOOTING 
Common Problems and Solutions 
These guidelines provide tips to deal with problems you may encounter while using the projector. If the 
problem remains unsolved, contact your dealer for assistance. 
Often after time spent troubleshooting, the problem is traced to something as simple as a loose connection. 
Check the following before proceeding to the problem-specific solutions. 
 Use some other electrical device to confirm that the electrical outlet is working. 
 Ensure the...

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LED Error Messages 
ERROR CODE MESSAGES POWER LED  LAMP LED TEMP LED FILTER LED 
Lamp Ready ON    
Start Flashing    
Cooling Flashing    
Over Temperature   ON  
Thermal Break Sensor error 4 blinks    
Lamp Re-Strike 6 times Failed 5 blinks    
Lamp Temperature shut down (Ballast 
Temp) 5 blinks 1 blinks   
Lamp Short circuit in output detected 
(Ballast circuit short) 5 blinks 2 blinks   
Lamp End of lamp life detected 5 blinks 3 blinks   
Lamp did not ignite 5 blinks 4 blinks   
Lamp...

 
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Image Problems 
Problem: No image appears on the screen 
1. Verify the settings on your notebook or desktop PC. 
2. Turn off all equipment and power up again in the correct order. 
Problem: The image is blurred  
1.  Adjust the Focus on the projector.  
2.  Press the Auto button on the remote control or projector. 
3.  Ensure the projector-to-screen distance is within the 10-meter (33-feet) specified range. 
4.  Check that the projector lens is clean. 
Problem: The image is wider at the top or...