Acer PD726 - Manual (Page 16)

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Installation
Warning Indicator

When the “ LAMP” indicator lights solid Red, the projector will
automatically shut itself down. Please contact your local reseller
or service center.

When the “TEMP” indicator lights solid Red for about 20
seconds, it indicates the projector has been overheated. You will
see a message “Projector Overheated. Lamp will automatically
turn off soon.” on the on-screen display. The projector will
automatically shut itself down.
Under normal conditions, the projector can be switched on again
after it has cooled down. If the problem persists, you should
contact your local dealer or our service center.

When the “TEMP” indicator flashs Red for about 30 seconds,
you will see a message “Fan fail. Lamp will automatically turn off
soon.” on the on-screen display. Please contact your local dealer
or our service center.
Powering Off the Projector
1. Press the “Power” button to turn off the projector lamp, you will
see a message “Please press power button again to complete the
shutdown process. Warning: DO NOT unplug while the projector
fan is still running.” displayed on the projector’s screen. Press
the “Power” button again to confirm, otherwise the message will
disappear after 5 seconds.
2. The cooling fans continue to operate for about 30 seconds for
cooling cycle and the Power LED will be quick Red flash . When
the Power LED becomes slow flashing, the projector has entered
standby mode. If you wish to turn the projector back on, you
must wait until the projector has completed the cooling cycle and
has entered standby mode. Once in standby mode, simply press
“Power” button to restart the projector.
3. Disconnect the power cord from the electrical outlet and the
projector.
4. Do not turn on the projector immediately following a power off
procedure.
5. Close the lens cap to prevent dust if you like.