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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.
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” on the Installation menu to “On” (see
page 27).
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.
The internal temperature is too high.
c Turn off the power.
c Check to see that 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 the computer is too
high.
c Set the output setting to XGA (VPL-CX20) and SVGA (VPL-
CS20) (see page 9).
Please check Input-A
Signal Sel.
You have input an RGB signal from the computer when “Input-A
Signal Sel.” on the Setup menu is set to “Component.”
c Set “Input-A Signal Sel.” correctly (see page 29).
Please replace the Lamp. • It is time to replace the lamp.
c Replace the lamp.
• When this message appears even after replacing the lamp, the task
has not been completed.
c Perform the operation of steps 8 and 9 on page 33.
Please clean the filter. It is time to clean the filter.
c Clean the filter (see page 34).
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” on the Function 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 26).
Auto Focus is disabled! Do
you wish to enable? Yes V
No v
“Auto Focus” on the Function menu is set to “Off.”
c To enable the Auto Focus function, set it to “On.”