48 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.! Lamp off in 1
min.
The internal temperature is too high.
cTurn off the power.
cCheck 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.
cInput a signal that is within the range of the frequency.
Please check Input-C
Signal Sel.
You have input an RGB signal from the computer when “Input-C
Signal Sel.” in the Setup menu is set to “Component.
cSet “Input-C Signal Sel.” correctly (see page 35).
Please replace the Lamp
and clean the Filter.
• It is time to replace the lamp and clean the air filter.
cReplace the lamp (see page 42) and clean the filter (see
page44).
• If this message appears again after you replace the lamp, the lamp
replacement process is not complete.
cPerform the operations in step 8 to 11 on page43.
To erase a message, press any key on the control panel of the
projector or on the remote commander.
Projector temperature is
high. High Altitude Mode
should be “On” if Projector
is being used at high
altitude.
cCheck to ensure that the ventilation holes on the projector are not
covered (see page11).
cWhen using the projector at high altitude, set the “High Altitude
Mode” to “On”.
If the temperature inside the projector remains high, the “High
Altitude Mode” is switched to “On” in one minute, then the fan
speed increases.
Message Meaning and Remedy
Not applicable! You have pressed the wrong key.
cPress the appropriate key.
The panel keys are locked! “Panel Key Lock” in the Function menu is set to “On.”
cAll the keys on the control panel of the projector are locked.
Operate the projector with the keys on the Remote Commander
(see page 37).
Note
Note