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34
Additional information
Eng
lish
Indicators
There are three indicators which show the status of the projector. Check the following for information about the
indicator lights. If there is anything wrong, turn the projector off and contact your dealer.
When the projector is in a normal state, ...
When the projector is in an abnormal state, ...
POWER
TEMP
LAMP STATE
REMARK
Orange
Off
Off
Standby mode.
Flashing
orange
The projector is powering up.
Cannot turn the projector off.
Green
The projector is under normal
operation.
Flashing
green
(1) The projector needs 110
seconds to cool down as it
was abnormally shut down
without the normal cooling
down process.
Or
(2) The projector needs to cool
for 110 seconds after the
power is turned off.
Cannot turn the projector on.
POWER
TEMP
LAMP
STATE
REMARK
Orange
Off
Red
(1) The lamp has exceeded its
usage life.
Or
(2) The lamp is not properly
attached or is damaged.
Solution:
• Install a new lamp.
• Please contact your dealer for
assistance.
Orange
Red
Off
The dust filter is seriously clogged
with dust. The projector is going to
shut down.
Solution:
• Install a new filter.
Orange
Red
Off
The internal temperature is too
high.
• The intake ventilation or the
exhaust ventilation is blocked.
• The projector may be in a poorly
ventilated location.
• The ambient temperature may
be too high.
Solution:
• Make sure that the ventilation
holes are not blocked.
• Relocate the projector.
• Stop using the projector until
the ambient temperature falls
within the specified range. The
maximum operating
temperature is specified as 40°C
/ 104°F.
Orange
Flashing
red
Flashing
red
The fans are not working.
Solution:
• Check if the power supply is
stable.
• Check if there is object stuck in
the fans.
• Contact your dealer.
PE8720-en.book Page 34 Friday, May 13, 2005 5:19 PM