ViewSonic PJ452 User Manual page 53

Regarding the indicator lamps (continued)
LAMP
POWER
indica-
indicator
tor
Blinking
In Red
Turned
or
off
Lighting
In Red
Blinking
In Red
Turned
or
off
Lighting
In Red
Lighting
In Green blinking in
Lighting Simultaneous
In Green blinking in
NOTE • When the interior portion has become overheated, for safety
purposes, the power source is automatically turned off, and the indicator lamps
may also be turned off. In such a case, press the "" (OFF) side of the power
switch, and wait at least 45 minutes. After the projector has sufficiently cooled
down, please make confirmation of the attachment state of the lamp and lamp
cover, and then turn the power on again.
ViewSonic
TEMP
indica-
tor
The cooling fan is not operating.
Please turn the power off, and allow the unit to cool
down at least 20 minutes. After the projector has suffi-
Blinking ciently cooled down, please make confirmation that no
foreign matter has become caught in the fan, etc. and
In Red
then turn the power on again.
If the same indication is displayed after the treatment,
please contact your dealer or service company.
There is a possibility that the interior portion
has become heated.
Please turn the power off, and allow the unit to cool
down at least 20 minutes. After the projector has suf-
ficiently cooled down, please make confirmation of the
Lighting following items, and then turn the power on again.
In Red • 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 treatment,
please set the HIGH at the FAN SPEED of the item
SERVICE of the OPTION menu.
There is a possibility that the interior portion
has become overcooled.
Alternative
Please use the unit within the usage temperature pa-
Red
rameters (5°C to 35°C). After the treatment, resent the
power to ON.
It is time to clean the air filter.
Please immediately turn the power OFF, and clean or
change the air filter by referring to the section "Air Fil-
Red ter". After cleaning or changed the air filter, please be
sure to reset the filter timer. After the treatment, resent
the power to ON.
PJ452
Troubleshooting
Description
49