Chapter 6 Maintenance — Troubleshooting
136 - ENGLISH
Troubleshooting
Review the following points. For details, see the corresponding pages.
Problems Points to be checked Page
Power does not turn on.
f Is the track system properly installed? 33
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?
80
f Is the temperature indicator <TEMP> or the light source indicator <LIGHT> lighting or
blinking?
134
No image appears.
f Are connections to external devices correctly performed? 43
f Is the input selection setting correct? 51, 76
f Is the [BRIGHTNESS] adjustment setting at a minimum? 62
f Is the external device that is connected to the projector working properly? ―
f Is the AV mute function in use? 56
Image is fuzzy.
f Is the lens focus set correctly? 52
f Is the projection distance appropriate? 30
f Is the lens dirty? 19
Color is pale or grayish.
f Are [COLOR] and [TINT] adjusted correctly? 62
f Is the external device connected to the projector adjusted correctly? 43
Remote control does not
respond.
f Are the batteries depleted? ―
f Is the battery polarity (+,
-
) correct? 26
f Is there any obstruction between the remote control and the remote control signal receiver of
the projector power supply unit?
22
f Is the remote control being used beyond its effective operation range? 22
f Are other forms of light, such as uorescent light, affecting the projection? 22
f Is the ID number setting operation correct? 56
Video from HDMI
compatible device does
not appear or it appears
jumbled.
f Is the HDMI cable connected securely? 43
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? 149
No audio is coming from
the HDMI compatible
device.
f Set audio of the external device to Linear PCM. ―
When spotlight is
displayed, no audio is
coming from the external
device.
f When spotlight is displayed with the [LIGHTING] menu → [PATTERN] → [BACK GROUND]
set to [BLACK], no audio is output.
66
Operation noise occurs
during standby
f When the [SETUP] menu → [ECO MANAGEMENT] → [STANDBY MODE] is set to
[NORMAL], the internal cooling fan may operate even during standby.
75
Attention
f If problems persist even after checking the preceding points, consult your dealer.
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