Acer P7605 - Manual (Page 50)

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OSD Messages
# Condition Message Reminder
1 Message • Fan Fail - the system fan is not working.
• Projector Overheated - the projector has exceeded its
recommended operating temperature and must be allowed
to cool down before it may be used. Please check the
following message.
Please also check the dust filters if they are installed. If the
dust filter is clogged with dust, please clean it. Please refer to
"Cleaning and replacing the dust filter" for details.
• Replace the lamp - the lamp is about to reach its maximum
lifetime. Prepare to replace it soon.