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Maintenance
■ Fault Protection
Your projector is provided with internal protection circuits for preventing fire and damage to
internal components due to abnormal temperature.
● When the LAMP/COVER LED is blinking:
❍ Action
1. Disconnect the power cord from the power outlet.
2. Correctly install the air filter. For details, see “Cleaning the Air Filter” on page 66.
3. Correctly install the lamp unit cover. For details, see “Lamp Unit Replacement”
on page 64.
● When the temperature LED is blinking or on.
❍ Action
1. Disconnect the power cord from the power outlet.
2. Check the following and take corrective actions.
* When the TEMP LED is OFF, your projector is working properly.
* Replace the lamp at the same time when the LAMP/COVER LED is on.
For details on how to replace the lamp, see page 64.
*A blinking TEMP LED is a warning that the temperature is too high. If the operating
environment improves within 10 seconds after the LED starts blinking, the warning will
stop. (When the TEMP LED goes out, normal operation continues.)
If the TEMP LED blinks for more than 10 seconds and the operating status does not
change, the LED stops blinking and stays on and the lamp turns off.
Use your projector within an ambient temperature of
0°C to 35°C (32°F to 95°F).
Is the ambient temperature
more than 35°C(95°F)?
Are any vent holes blocked?
Is the air filter clogged?
A probable cause is an
internal circuit problem.
Ask your dealer for repair.
Clean the air filter.
See “Cleaning the Air Filter” on page 66.
Place your projector away from walls and other objects.
See “Do not block the air vents” on page 4.
Cha.06 04.7.29, 11:48 AM62