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Troubleshooting
Review the following points. For details, see the corresponding pages.
Problems
Power does not turn on.
No image appears.
Image is fuzzy.
Color is pale or grayish.
Remote control does not
respond.
Video from HDMI
compatible device does
not appear or it appears
jumbled.
No audio is coming from
the HDMI compatible
device.
When spotlight is
displayed, no audio is
coming from the external
device.
Operation noise occurs
during standby
Attention
f If problems persist even after checking the preceding points, consult your dealer.
Chapter 6 Maintenance — Troubleshooting
f Is the track system properly installed?
f Is the power supply of the track system turned on?
f After executing [ALL USER DATA] in the [SETUP] menu → [INITIALIZE], is the power supply
of the track system turned back on or the plug of the power cord reconnected?
f Is the temperature indicator <TEMP> or the light source indicator <LIGHT> lighting or
blinking?
f Are connections to external devices correctly performed?
f Is the input selection setting correct?
f Is the [BRIGHTNESS] adjustment setting at a minimum?
f Is the external device that is connected to the projector working properly?
f Is the AV mute function in use?
f Is the lens focus set correctly?
f Is the projection distance appropriate?
f Is the lens dirty?
f Are [COLOR] and [TINT] adjusted correctly?
f Is the external device connected to the projector adjusted correctly?
f Are the batteries depleted?
f Is the battery polarity (+, -) correct?
f Is there any obstruction between the remote control and the remote control signal receiver of
the projector power supply unit?
f Is the remote control being used beyond its effective operation range?
f Are other forms of light, such as fluorescent light, affecting the projection?
f Is the ID number setting operation correct?
f Is the HDMI cable connected securely?
f Turn the power of the projector and the external device off and on.
f Is a signal which is not compatible with the projector being input?
f Set audio of the external device to Linear PCM.
f When spotlight is displayed with the [LIGHTING] menu → [PATTERN] → [BACK GROUND]
set to [BLACK], no audio is output.
f When the [SETUP] menu → [ECO MANAGEMENT] → [STANDBY MODE] is set to
[NORMAL], the internal cooling fan may operate even during standby.
Points to be checked
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ENGLISH - 137
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