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48 Troubleshooting
Others
Indicators
Warning Messages
Use the list below to check the meaning of the messages displayed on the screen.
Symptom Cause and Remedy
The control panel keys do
not function.
• The control panel keys are locked.
c Unlock the control panel keys (see page 36).
Symptom Cause and Remedy
The LAMP/COVER
indicator flashes.
• The lamp cover or the air filter cover is detached.
c Attach the cover securely (see page 43 and 44).
• The lens protector does not open due to a problem.
c Slide the lens protector by hand, and then press the I/
1 key.
The LAMP/COVER
indicator lights up.
• The lamp has reached the end of its life.
c Replace the lamp (see page 42).
• The lamp becomes a high temperature.
c Wait for 60 seconds to cool down the lamp and turn on the
power again.
The TEMP/FAN indicator
flashes.
• The fan is broken.
c Consult with qualified Sony personnel.
The TEMP/FAN indicator
lights up.
• The internal temperature is unusually high.
c Check to see if nothing is blocking the ventilation holes.
• The projector is used at a high altitude.
c Ensure that “High Altitude Mode” in the INSTALL SETTING
menu is set to “On.”
Both the LAMP/COVER
and TEMP/FAN indicators
light up.
• The electrical system breaks down.
c Consult with qualified Sony personnel.
Messages List
Message Meaning and Remedy
High temp.!
Probably use in high
altitude. Switch to high
altitude mode on? Yes V
No v
• Internal temperature is too high.
c When using the projector at an altitude of 1,500 m or higher, set
“High Altitude Mode” in the INSTALL SETTING menu to
“On” (see page 39).
c If this message appears on the screen when using the projector
at normal altitudes, check to see if anything is blocking the
ventilation holes (exhaust).
High temp.!
Lamp off in 1 min.
• Internal temperature is too high.
c Turn off the power.
c Check to see if nothing is blocking the ventilation holes.