Section 6: Maintenance
6.1 Cleaning the Air Filter
Note: Clean the air filter about every 50 hours.
a)Turn off the MAIN POWER switch of the projector and pull out power cord. Let cool for 20 minutes.
b)Remove the air filter from the bottom of projector. Unscrew two retaining screws and pull down and out on the handle to free air cleaner door. Carefully lift up and out on filter door.
Remove the air filter
c)Clean the air filter using a vacuum cleaner. If dirt is still present, wipe the air filter with a cloth moistened with water and wipe with a dry
d)After filter dries completely,
Note: If air flow is restricted due to dust accumulation on filter, the projector may shut down due to over heating.
6.2Message Table
a)On Screen Display. The following messages are displayed on the screen:
NO SIGNAL IS DETECTED: The projector is not detecting a signal.
SYNC IS OUT OF RANGE: The horizontal frequency of the input signal exceeds the range
of the projector, or it cannot be displayed.
CHANGE THE LAMP:Change when the lamp message appears on the screen.
b)Indicator Display. The ON indicator, LAMP indicator and TEMP indicator will light or blink in the following cases:
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| Lights orange | Standby mode | normal | |
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ON indicator | Blinks green | During warming up | normal | |
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Lights green | During operation | normal | ||
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| Blinks orange | During cooling down | normal | |
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LAMP indicator | Lights red | Lamp cannot light | Cool projector by power off for 20 minutes. | |
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Blinks red | Air filter open | Ensure filter is closed. | ||
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TEMP indicator | Lights red | Temperature inside too high | Let projector cool 20 minutes. Check air flow and filter. | |
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Blinks red | Cooling fan not operating | call your dealer | ||
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*When the LAMP indicator lights or blinks, turn the power off. If the problem persists, contact your dealer.
© 3M 1997 | 3M™ Multimedia Projector MP8630 |
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