Error Codes; Error Code Log - Mitsubishi Electric WD-73C1 Service Manual

MODELS: WD-73640 / WD-73740 / WD-73840 / WD-73C11 / WD-73CA1 /

ERROR CODES

Error Codes, descriptions and the most likely cause of failure are listed below:
Code
17 I2C Communication loss between TV Micro and Engine
Engine will not accept data
18
(ASIC-READY signal from Engine is not detected)
32* Lamp Cover is open.
Lamp turns Off while the TV is playing.
34** Lamp Failure
Lamp Enable signal from engine is lost.
36 Exhaust Fan rotation not detected
37 Engine (DMD) fan rotation not detected
42 Sirocco fan (Lamp fan) rotation not detected
44 LVDS cable between PWB-MAIN and Engine not detected
48 PON-SHORT 3.3V or 5V switched supply short
57 Ballast communication problem (ballast to chassis)
16 LAMP-EN Detection
Lamp did not turn on at P-ON sequence
(No Lamp inserted)
66**
(Disconnected cable between ballast and lamp)
(Lamp-Enable goes to PWB-MAIN but not to Ballast)
* Error Code 32 is indicated by a flashing Yellow Status LED. The code is stored in the Error code Log. See below.
** Error Codes 34 & 66 are indicated by a steady Red Status LED. The code is stored in the Error code Log. See
below.

ERROR CODE LOG

The Error Code Log can be used to retrieve the code for an error that occurred in the past.
To access the Error Code Log: Press <MENU> <3-5-6-4>
Error Code Log Definitions

PAGE - Current page number

CURRENT TIME - total hours of operational
use.

USAGE TIME - usage hours when the error
occurred.

CODE - the specific Error Code that oc-
curred.

STATUS: HAPPENED - Indicates an error
was recorded.
Press <CANCEL> to erase the Log.
NOTE
: The Error Code Log is intended as a ref-
erence tool and is not meant to be used as a final
determination of a defective part.
WD-82740 / WD-82840 / WD-82CB1 / WD-92840
ERROR CODES
Description
Error Code Log
<MENU><3-5-6-4>
***** PAGE (001/001) *****
CURRENT TIME: 01455 HOURS
USAGE TIME CODE STATUS
00413 HRS
00716 HRS
Page 28
Most Likely Cause
Loss of 12V from PWB-POWER to Engine /
Check PE & PE2 circuitry
Engine Failure, PWB-MAIN Failure
LDVS circuitry
Engine Failure
Check CD connector
Lamp Cartridge Failure
Check Exhaust Fan / Check J4 circuitry
Check DMD Fan / Check J5 circuitry
Check Sirocco Fan / Check J8 circuitry
Check LVDS Cable & circuitry
PWB-MAIN Failure
Loss of 340V from PWB-POWER to Ballast /
Check PL & CJ1 circuitry
Loss of communications between PWB-MAIN
and Ballast / Check FB & CJ3 circuitry
Ballast Failure
Check Color Wheel / Check J6 & J7 circuitry /
Engine Failure
Check CJ4 circuitry
No Lamp Inserted.
HV connection or lead wire to lamp.
Lamp Cartridge Failure
44 HAPPENED
57 HAPPENED Press Up to Previous Page
Press Down to Next Page
Press Right to Top Page
Press Left to Last Page
Press CANCEL to Erase
Press MENU to Exit