Chapter 6 Maintenance — Troubleshooting
ENGLISH - 203
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 power supply of the interior wiring turned on? ―
f Is the plug of the power cord rmly inserted into the outlet? ―
f Is the outlet where the plug of the power cord connected supplying electricity? ―
f After executing [ALL USER DATA] in the [SETUP] menu → [INITIALIZE], is the
power supply of the interior wiring turned back on or the plug of the power cord
reconnected?
76
f Is the temperature indicator <TEMP> or the light source indicator <LIGHT> lighting
or blinking?
200
No image appears.
f Are connections to external devices correctly performed? 38
f Is the input selection setting correct? 51, 73
f Is the [BRIGHTNESS] adjustment setting at a minimum? 64
f Is the external device that is connected to the projector working properly? ―
f Is the AV mute function in use? 52
Image is fuzzy.
f Is the lens focus set correctly? 48
f Is the projection distance appropriate? 35
f Is the lens dirty? 22
Color is pale or grayish.
f Are [COLOR] and [TINT] adjusted correctly? 64
f Is the external device connected to the projector adjusted correctly? 38
Remote control does not
respond.
f Are the batteries depleted? ―
f Is the battery polarity (+,
-
) correct? 28
f Is there any obstruction between the remote control and the remote control signal
receiver of the projector power supply unit?
25
f Is the remote control being used beyond its effective operation range? 25
f Are other forms of light, such as uorescent light, affecting the projection? 25
f Is the ID number setting operation correct? 52
Video from HDMI
compatible device does
not appear or it appears
jumbled.
f Is the HDMI cable connected securely? 38
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? 215
No audio is coming from
the HDMI compatible
device.
f Set audio of the external device to Linear PCM. ―
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.
72
Attention
f If problems persist even after checking the preceding points, consult your dealer.
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