Appendix
-73
Problem Check Page
The cooling fan
becomes noisy.
• When temperature inside the projector increases, the cooling fan runs
faster.
–
The lamp does not light up
even after the
projector turns on.
• The lamp indicator is illuminating in red.
Replace the lamp.
• The lens shutter is opened fully.
23, 60, 63
The lamp suddenly turns off
during projection.
The image sometimes
fl ickers.
• Cables are incorrectly connected to the projector or the connected equip-
ment works improperly.
• If this happens frequently, replace the lamp.
19-22
63
The lamp needs much time
to turn on.
• The lamp will eventually need to be changed.
While the remaining lamp life draws to a close, replace the lamp.
63
Picture is dark.
One Touch Play is not
enabled.
• Non-Sharp Video Products are connected.
One Touch Play function may not work when the projector is connected
to non-Sharp Video Products.
46
• An HDMI cable is not used for connection between the projector and the
Sharp Video Products.
One Touch Play function is enabled when the projector is connected to
the Sharp Video Products with an HDMI cable.
20
• One Touch Play function of the projector is not set to “On”. 46
• CEC settings of connected Sharp Video Products or other CEC devices
are incorrect.
–
• One Touch Play is set to “Off” and disabled when the Economy mode is
set to “On”.
46
System Standby is not
enabled.
• Non-Sharp Video Products are connected.
System Standby function may not work when the projector is connected
to non-Sharp Video Products.
46
• An HDMI cable is not used for connection between the projector and the
Sharp Video Products.
System Standby function is enabled when the projector is connected to
the Sharp Video Products with an HDMI cable.
20
• System Standby function of the projector is not set to “On”. 46
• CEC settings of connected Sharp Video Products or other CEC devices
are incorrect.
–
A response code cannot be
received when the
projector was attempted
to be controlled using
RS-232C commands from
a computer during standby.
• In the case of transmitting RS-232C commands from a computer during
standby, it takes a maximum of 30 seconds for the computer to receive
the response code. Set the response code waiting time of the computer
to 30 seconds or more.
66
The remote control
cannot be used.
• Operate the remote control while pointing it at the projector’s remote
control sensor.
• The remote control may be too far away from the projector.
• If direct sunlight or a strong fl uorescent light is shining on the projector’s
remote control sensor, place the projector where it will not be affected by
strong light.
13
13
13
• The batteries may be depleted or inserted incorrectly. Make sure the bat-
teries are inserted correctly or insert new ones.
13