Related Messages - Hitachi CP-RX78 Service Manual

6-11 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 respond as described below.
Although these messages will be automatically disappeared around several minutes, it will be reappeared every
time the power is turned on.
Message
CP-RX78 ( C15-20EE )
Description
There is no input signal.
Please confirm the signal input connection, and the status
of the signal source.
The horizontal or vertical frequency of the input signal
is not within the specified range.
Please confirm the specs for your projector or the signal
source specs.
An improper signal is input.
Please confirm 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 confirmed the
following items, please turn the power ON again.
• Is there blockage of the air passage aperture?
• Is the air filter 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 filter.
Please immediately turn the power off, and clean or change
the air filter referring to the "Cleaning and replacing the
air filter" section of this manual. After you have cleaned or
changed the air filter, please be sure to reset the filter timer.
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