Related Messages - Hitachi CP-DW10N Operating Manual

Troubleshooting

Related messages

When some message appears, check and cope with it according to the following
table. Although these messages will be automatically disappeared around several
minutes, it will be reappeared every time the power is turned on.
Message
72
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 interior temperature is too high, or has increased
or decreased in a short term.
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?
• Does warm or cool air from an air conditioner or similar
unit blow on the projector directly?
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 time
48).
(
The button operation is not available (
Description
7).