Dukane Projector 8920H-RJ - Manual (Page 70)

70
Troubleshooting
Regarding the indicator lamps (continued)
• When the interior portion has become overheated, for safety purposes,
the projector is automatically shut down, and the indicator lamps may also be
turned off. In such a case, disconnect the power cord, 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.
NOTE
POWER
indicator
LAMP
indicator
TEMP
indicator
Description
Blinking
In Red
or
Lighting
In Red
Turned
off
Lighting
In Red
There is a possibility that the interior portion
has become heated.
Please turn the power off, and allow the projector to cool down at least
20 minutes. After the projector has sufficiently cooled down, please make
confirmation of the following items, and then 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 SERVICE item in OPTION menu to HIGH (46) .
Lighting
In Green
Simultaneous
blinking in Red
It is time to clean the air filter.
Please immediately turn the power off, and clean or
change the air filter referring to the section “Cleaning
and replacing the air filter”. After cleaning or changing
the air filter, please be sure to reset the filter timer.
After the remedy, reset the power to ON.
Lighting
In Green
Alternative
blinking in Red
There is a possibility that the interior portion
has become overcooled.
Please use the unit within the usage temperature
parameters (5°C to 35°C).
After the treatment, reset the power to ON.
Blinking In
Green for
approx. 3
seconds.
Turned
off
Turned
off
At least 1 Power ON schedule is saved to the
projector.
Please refer to "Schedule Settings" section of User’s
Manual - Network Guide.
Shutting the projector down
Only when the projector can not be turned off by usual
procedure (15), please push the shutdown switch using
a pin or similar, and disconnect the power plug from the
power outlet. Before turning it on again, wait at least 10
minutes to make the projector cool down enough.
Resetting all settings
When it is hard to correct some wrong settings, the FACTORY RESET function of
SERVICE item in OPTION menu (50) can reset all settings(except LANGUAGE,
FILTER TIME, LAMP TIME, FILTER MESSAGE, NETWORK and SECURITY
settings and etc.) to the factory default.
Shutdown switch