44 Troubleshooting
Warning Messages
Use the list below to check the meaning of the messages displayed on the screen.
Caution Messages
Use the list below to check the meaning of the messages displayed on the screen.
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 35).
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.
Frequency is out of range! • This input signal cannot be projected as the frequency is out of the
acceptable range of the projector.
c Input a signal that is within the range of the frequency.
• The resolution setting of the output signal of a computer is too
high.
c Set the setting of output to XGA (see page 16).
Please check Input-A
Signal Sel.
• You have input RGB signal from the computer when “Input-A
Signal Sel.” in the SET SETTING menu is set to “Component.”
c Set “Input-A Signal Sel.” correctly (see page 31).
Please replace the LAMP. • It is time to replace the lamp.
c Replace the lamp.
Message Meaning and Remedy
Not applicable! • You have pressed the wrong key.
c Press the appropriate key.
The panel keys are locked ! • “Panel Key Lock” in the INSTALL SETTING menu is set to “On.”
c All the keys on the control panel of the projector are locked.
Operate the projector with the keys on the Remote Commander
(see page 32).
Symptom Cause and Remedy