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Troubleshooting
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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.! 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.
• The resolution setting of the output signal of the computer is too
high.
c Input a signal that is within the range of the frequency.
Please check Input-A
Signal Sel.
You have input an RGB signal from the computer when “Input-A
Signal Sel.” in the Setup menu is set to “Component.”
c Set “Input-A Signal Sel.” correctly (see page 43).
Please replace the Lamp
and clean the Filter.
• It is time to replace the lamp and clean the air filter.
c Replace the lamp (see page 46) and clean the filter (see
page 48).
• If this message appears again after you replace the lamp, the lamp
replacement process is not complete.
c Perform the operations in step 9 to 12 on page 47.
To erase a message, press any key on the control panel of the
projector or on the remote commander.
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 42).
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) (see page 14).
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 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 40).
Note