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Bit Title Description
Condition to clear bit
D7700/DW7000 D5600/DW5000 D5500 D3500
bit31 MAIN CPU BUS ERROR
Trouble has occurred in the microcomputer circuitry.
If it does not recover after turning power back on, consult your dealer.
Power on YES YES YES
bit30 FAN ERROR
Trouble has occurred in the fan or its drive circuit.
If it does not recover after turning power back on, consult your dealer.
Undefined value
The lamp runtime has exceeded the prescribed cumulative time,
and it is now time to replace the lamp.
The lamp has failed to light.
Did you turn the power back on immediately after turning it off?
Power on YES YES YES
bit29 OPTICS MODULE
TEMPERATURE ERROR
The temperature inside the projector is high and the projector has shut down.
• Check if the ventilation port is blocked.
• Is the room air temperature too high?
• Check the air filter for clogging.
Power on YES YES YES
bit28 INPUT AIR TEMPERATURE
ERROR
Power on YES YES YES
bit27 OUTPUT AIR OR
LAMP AMBIENT
TEMPERATURE ERROR
Power on YES YES YES
bit26 EXTENSION - NO NO NO
bit25 LAMP2 REMAIN TIME
ERROR (Shutdown)
LAMP 2 reset YES YES NO
bit24 LAMP1 REMAIN TIME
ERROR (Shutdown)
LAMP 1 reset YES YES YES
bit23
bit22
LAMP2 FAILED TO LIGHT
LAMP 2 illuminates
YES YES NO
Trouble has occurred in the aperture.
If it does not recover after turning power back on, consult your dealer.
bit21 APERTURE
(CONTRAST- SHUTTER)
ERROR
Power on or
normal operation of
the aperture
YES NO NO
Trouble has occurred in the shutter circuitry.
If it does not recover after turning power back on, consult your dealer.
bit20 SHUTTER ERROR Power on
YES or
normal operation
of the shutter
NO YES
Trouble has occurred in the temperature detection sensor inside the projector.
Consult your dealer.
bit19 OPTICS MODULE TEMP.
SENSOR ERROR
Main power on YES YES YES
Trouble has occurred in the sensor used to detect the input air temperature.
Consult your dealer.
bit18 INPUT AIR TEMP.
SENSOR ERROR
Main power on YES YES YES
Trouble has occurred in the sensor used to detect the output air temperature
or lamp ambient temperature. Consult your dealer.
bit17 OUTPUT AIR OR LAMP
AMBIENT TEMPERATURE
ERROR
Main power on YES NO YES
The battery has been run out. consult your dealer.
bit16 CLOCK BATTELY
WARNING
The battery has
been changed.
NO YES YES
It may be that the projector is being used where the ambient temperature is
low (approx. 0). If the temperature in the projector does not go up within
5 min., the projector will shut down.
bit15 OPTICS MODULE SENSOR
LOW TEMP. WARNING
• Higher
temperature than the
warning level during
power on
• Power on
YES YES YES
Undefined value
bit11 TEST Main power on YES YES YES
Too much dust accumulates on the air filter.
Turn off the MAIN POWER switch and clean the air filter.
bit10 AIR FILTER Main power on NO YES NO
Undefined value
bit05 EXTENSION - NO NO NO
Undefined value
bit04 EXTENSION - NO NO NO
Trouble has occurred in the air volume sensor. Consult your dealer.
bit03 AIRFLOW SENSOR Main power on NO YES NO
Undefined value
bit01 EXTENSION - NO NO NO
Undefined value
bit00 EXTENSION - NO
*The value of NO is undefined.
NO NO
Trouble has occurred in the color wheel or its drive circuit.
If it does not recover after turning power back on, consult your dealer.
bit02 COLOR WHEEL
ERROR
Power on NO YES YES
Undefined value
bit09 EXTENSION - NO NO NO
Undefined value
bit08 EXTENSION - NO NO NO
It is time to replace the lamp. Prepare the new lamp.
The projector will shut down within 200 hours.
bit07 LAMP2 REMAIN
TIME WARNING
LAMP 2 reset YES YES NO
bit06 LAMP1 REMAIN
TIME WARNING
LAMP 1 reset YES YES YES
The temperature inside the projector is high. If the temperature goes up,
the projector will shut down.
• Check if the ventilation port is blocked.
• Is the room air temperature too high?
• Check the air filter for clogging.
Undefined value
bit14 OPTICS MODULE SENSOR
HIGH TEMP. WARNING
• Higher
temperature than the
warning level during
power on
• Power on
YES YES YES
bit13 INPUT AIR HIGH TEMP.
WARNING
YES YES YES
bit12 OUTPUT AIR OR LAMP
AMBIENT HIGH TEMP.
WARNING
YES YES YES
LAMP1 FAILED TO LIGHT
LAMP 1 illuminates
YES YES
YES
YES
YES
YES
YES
NO
YES
YES
YES
NO
NO
YES
YES
NO
YES
YES
YES
NO
NO
NO
NO
NO
NO
YES
NO
NO
YES
YES
YES
YES
YES
YES YES
Bit allocation for Self-diagnosis information
7