Led Indicator Diagnostics; Error Code Operational Check - Mitsubishi Electric WD-52631 Service Manual

LED Indicator Diagnostics

The front panel LEDs provide an indication of the set’s operation, and the possible cause of a malfunction. There are three
front panel LEDs, “Power”, “Status” and “Lamp”. The LED display shows the current status or indicates a possible
malfunction.
Power/Timer
Indicator
Off
Blinking green
fast
Off
Green
Blinking green
slow
Power/Timer
Status Indicator
Indicator
Off
Off
Off
Off Blinking Red
Off
* A red Lamp LED only occurs after 3 attempts to light the lamp. Each attempt (pressing POWER)
must be at least 65 seconds apart. During each attempt ballast striking may be audible.

3. Error Code Operational Check

Note: The TV must be in “Shut Down” and not have been switched Off, to perform the Error Code Opera-
tional Check. When the TV is switched Off, the code automatically resets to “12” No Error.
Pressing the front panel “INPUT” and “MENU” buttons at the same time, and holding for 5 seconds,
activates the Error Code Mode. The “TIMER LED” flashes denoting a two digit Error Code, or indicating no
problem has occurred since the last Initialization.
Note: The front panel buttons must be used, NOT those on the Remote Control.
•
The number of flashes indicates the value of the MSD (tens digit) of the Error Code.
•
The flashing then pauses for approximately 1/2 second.
•
The LED then flashes indicating the value of the LSD (ones digit) of the Error Code.
•
The Error Code is repeated a total of 5 times.
Example: If the Error Code is “23”, the LED will flash two times, pause, and then flash three times.
MODEL: WD-52631 / WD-57731 / WD-65731
NORMAL LED INDICATIONS
Status
Lamp Indicator
Indicator
Off
Off
Off Blinking green
Off
Off
ABNORMAL LED INDICATIONS
Lamp Indicator
Yellow Off
Off Blinking yellow
Off Red*
Off
Red. Off
Off Off (standby)
Off Initialization (45-60 seconds)
Lamp cooling for 1 min after PTV
slow off
Off Power On
Off Power On Timer is set
High Temperature - check ventilation air flow.
Temperature sensor is disconnected.
Lamp cover is open.
Lamp failure
Lamp fails to turn on
Lamp turns off during P-On
Lamp is broken
Fan Stop
Circuit failure. (Run Error Code Check)
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Condition
Condition