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Troubleshooting
Troubleshooting
Related messages
When the unit is powered on, messages such as those shown below may
be displayed. When any of these messages are displayed, please follow the
instructions described below. If the same message is displayed after following the
suggestions listed here, or if a message other than the following appears, please
contact your dealer or service company.
Although these messages will automatically disappear after several minutes, they
will be displayed again when the power is turned on.
Message Description
There is no input signal.
Please conrm the signal input connection, and the status of the signal source.
The horizontal or vertical frequency of the input signal is not
within the specied range.
Please review the signal source and projector specications.
An improper signal is input.
Please review the signal source and projector specications.
The internal temperature is overheating.
Turn the projector off (
20
) immediately, and allow it to cool down
for 20 minutes or more. After cooling, perform the following:
- Are there any obstacles to ventilation around the projector?
- Does the temperature around the projector exceed the limit
specied? (
77
)
If there are no obstacles blocking the ventilation, replace the
lter unit according to the instructions for "Filter unit" in the
"Maintenance" chapter (
69
). Remember to reset the FILTER
TIME after replacing the lter unit.
The lter unit must be replaced.
The FILTER TIME timer limit has been reached as per the FILTER
MESSAGE settings in the SERVICE menu under the OPTION
menu (
50
). Replace the lter unit according to the instructions
for "Filter unit" in the "Maintenance" chapter (
69
). Remember to
reset the FILTER TIME after replacing the lter unit.
The control panel buttons are not available during the
following conditions.
- When the lens is moving, button operation from the control panel
or the remote control might be ignored. Wait for the LENS SHIFT
indicator stopping blinking.
- Pressing one of the signal input buttons may be ignored, of the
associated input port has been set to "SKIP" in the SOURCE SKIP
feature of the OPTION menu.
97


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