Chapter 5 Maintenance
Cleaning the Projector
Cleaning the projector to remove dust and grime will help running normally.
Warning:
1. Before cleaning, turn off the projector and unplug the power cord.
Otherwise, it may result in injury or damage to the system.
2. When cleaning ,you should only use a damp cloth . Do not allow water to
enter the ventilation of the projector.
3. If a little water enter the interior of the projector when cleaning, please don’t
connect the projector to power ,the projector should be placed in a well ventilated
area for several hours before using.
Cleaning the Lens
Cleaning fluid of optical lens can be purchased from most camera stores and
other retail shops. To clean the projector lens, perform the following steps:
1. Sprinkle a few drops of optical lens cleaning fluid on a clean soft cloth. (Do not apply
the cleaning liquid directly to dribble onto the lens.)
2. Gently wipe the lens circumferentially.
Note:
1. Do not use abrasive cleaners or solutions.
2. To prevent discoloration or fading, do not let the cleaning liquid contact
projector cabinet.
Troubleshooting
Problem of no Image
• Use another electrical device to confirm the power socket is normal.
• Ensure the projector is turned on.
• Make sure all connections are secure.
• Make sure select the correct signal input source.
• Make sure the connected device is turned on.
• Ensure a connected PC is not in suspend or sleep mode.
• Make sure the laptop is is configured with external display correctly.
Problem of remote control
Problem: The projector does not respond to remote control commands
1. Point the remote control at the remote sensor of the projector.
2. Make sure there are no obstructions between the remote control and the sensor.
3. Turn off the fluorescent lights in the room.
4. Check the battery polarity is correct.
5. Replace the battery.
6. Turn off other equipment infrared enabled in the near region .
7. Send remote control for repair .
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