Maintenance; Cleaning The Filters - NEC UM383WL User Manual

7. Maintenance

This section describes the simple maintenance procedures you should follow to clean the filter, the projection win-
dow, and the cabinet.

Cleaning the Filters

The filter at the intake vent keeps dust and dirt from getting inside the projector. If the filter is dirty or clogged, your
projector may overheat.
WARNING
Please do not use a spray containing flammable gas to remove dust attached to the filter etc. Doing so may
•
result in fires
NOTE: The message for filter cleaning will be displayed for one minute after the projector is turned on or off. When the message is displayed,
clean the filters. The time to clean the filter is set to [ 2 000 H] at time of shipment.
To cancel the message, press any button on the projector cabinet or the remote control.
To clean the filter detach the filte unit and the filte cover.
CAUTION
• Before cleaning the filters turn off the projector, disconnect the power cord and then allow the cabinet to cool.
Failure to do so can result in electric shock or burn injuries.
1. Press down two buttons and then pull the filter cover towards
you to open it.
2. Vacuum dust on the front and back faces of the filter unit.
• Get rid of dust in the filter.
• Gently get rid of dust on the filter cover and in the accordion
pleats of the filter.
NOTE:
• Whenever you vacuum the filter, use the soft brush to vacuum. This is to avoid
damage to the filter.
• Do not wash the filter with water. Doing so can result in filter clogging.
Filter cover
Filter cover
93
Filter unit