Mitsubishi Electric WD-73640 Technical Training Manual page 66

DLP HOME CINEMA
®
The front panel Status LED provides an indication of the set's operation and the possible cause of a malfunction.
STATUS LED Indication
Off
Green
Slow Blinking Green
Fast Blink Green 80 seconds after Power Off
Fast Blinking Green 1 to 3 minutes after Power
Restored from AC interrupt, Power On, System
Reset or Software update.
STATUS LED Indication
Steady Red
Steady Yellow
Blinking Yellow
Blinking Red then Blinking Yellow
SELF DIAGNOSTICS
A blinking red and yellow Status LED will indicate an Error Code that can help determine the cause of a circuit
failure.

The number of Red blinks indicates the value of the MSD (tens digit) of the Error Code.

The number of Yellow blinks indicates the value of the LSD (ones digit) of the Error Code.
Example: If the Error Code is "37", the LED will continuously blink Red three times, followed by blinking Yellow
seven times.
See the following page for a list of Error Codes.
To perform a System Reset, press and hold the Power button for 10 seconds. Or, unplug the set for 10 seconds
then restore power.
LED INDICATIONS AND SELF DIAGNOSTICS
NORMAL INDICATIONS
ABNORMAL INDICATIONS
Number of Red Blinks  Number of Yellow Blinks

3
Error Code: 37
Condition
Off (Standby)
Power On
Power Off with Timer Set. Power On normally
Power Off Lamp cooling. Wait for blinking to
stop to Power On.
Boot-up. Wait for blinking to stop to Power On.
Condition
Lamp Failure (See Error Code 66)
DMD Temperature Excessive
Lamp Cover Open (See Error Code 32)
Circuit Failure (See Self Diagnostics)
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