Troubleshooting; Related Messages - Hitachi CP-WUX645N Operating Manual

Troubleshooting

Related messages

When the unit's power is on, messages such as those shown below may be
displayed. When any such message is displayed on the screen, please follow the
instructions described below. If the same message is displayed after the remedy,
or if a message other than the following appears, please contact your dealer or
service company.
Although these messages will be automatically disappeared around several
minutes, it will be reappeared every time the power is turned on.
Message
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 conrm the specs for your projector or the signal
source specs.
An improper signal is input.
Please conrm the specs for your projector or the signal
source specs.
The internal temperature is rising.
Please turn the power off, and allow the projector to cool
down at least 20 minutes. After having conrmed the
following items, please turn the power ON again.
• Is there blockage of the air passage aperture?
• Is the air lter dirty?
• Does the peripheral temperature exceed 35°C?
If the same indication is displayed after the remedy, please set
FAN SPEED of the SERVICE item in the OPTION Menu to HIGH.
A note of precaution when cleaning the air lter.
Please immediately turn the power off, and clean or change
the air lter referring to the "Air lter" section of this manual
68). After you have cleaned or changed the air lter,
(
please be sure to reset the lter timer (
71
Troubleshooting
Description
28, 48).