Error Codes - Mitsubishi Electric WD-73640 Technical Training Manual

ERROR CODES

Error Codes, descriptions and corrective actions for the error are listed below:
Error
Code
No serious error since last main power on or
12
last micro initialization.
13 Cover-4 (Laser Unit) is open.
15 Strobe signal abnormal detection
Engine I2C bus communication error is de-
17
tected
18 ASIC-ready from engine is not detected.
23 Cover-1 (Back Cover) is open.
25 Abnormal High ambient temperature
26 Laser FAN1 or 2 stop
Communication error between Laser micro
and temp sensor (ambient, peltier, heat pipe)
Communication error between Laser micro
29 and EEPROM
Communication error between Laser micro
and LASER module thermistor.
33 Cover-2 (Front Cover) is open.
37 DMD-FAN stops.
38* Laser unit temperature is abnormally high.
39 Abnormal low ambient temperature
45 Diffuser motor stops.
46 Peltier temperature is abnormally high.
48 P-ON short
49* Laser abnormal brightness (more than limit)
FPGA communication error with laser micro
56
FPGA configuration failure
Communication error between TV micro and
57
Laser micro
66* Laser abnormal brightness (less than limit)
67 Peltier control abnormal
68 Cover-3 (Service Cover above Engine) open.
* After 3 occurrences, the TV will be locked out and will not respond to Power On commands. After repair, use
the following procedure to unlock the TV.
1. Perform a System Reset by removing and re-applying AC.
2. Press and hold the side panel <INPUT> + <VOL > buttons at the same time until the Status LED returns
to normal (about 5 seconds).
Description Corrective Actions
Contact MDEA Technical Support 1-800-552-8324
Check JV-J6C00 circuitry or its Lead Wire / Check if Flat cable is dam-
aged / Replace Engine or Chassis
Check JV-J6C00 circuitry or its Lead Wire / Check if Flat cable is dam-
aged / Replace Engine or Chassis
Check PE–PE circuitry or its lead wire / Check JV-J6C00 circuitry or its
Lead Wire / Check if Flat cable is damaged / Replace Engine or Chassis
Contact MDEA Technical Support 1-800-552-8324
Check and Clean Air Vents / Replace PWB-TEMP2 if defective
Check LDX or LDY circuitry & wiring / Replace Laser Unit Fans if defec-
tive
Check communication as follows:
Ambient temp sensor : Check LE-ST2 circuitry & wiring / Replace PWB-
TEMP2
Peltier temp sensor : Check ST-ST1 circuitry & wiring / Replace PWB-
TEMP1
EEPROM : Check FA-FA circuitry & wiring / Replace Laser Units
LASER module thermistor : Check FB-FB circuitry & wiring / Replace
Laser Unit
Contact MDEA Technical Support 1-800-552-8324
Check JM circuitry & wiring / Replace DMD FAN if defective / Replace
Engine.
Check and Clean Air Path / Replace Laser Unit
Allow TV to warm to room temperature / Replace PWB-TEMP2 if defec-
tive
Check JS circuitry / Replace Engine
Check and Clean Air Path / Check FA-FA circuitry & wiring (PEL_EN) /
Replace Laser Unit
Replace Chassis
Replace Laser Unit
Check JV-J6C00 circuitry or its Lead Wire / Check if Flat cable is dam-
aged / Replace Laser Unit or Chassis
Replace Chassis
Check FB-FB connector or its Lead Wire / Replace Laser Unit
Check FA-FA circuitry & wiring (PEL_EN) / Replace Laser Unit
Contact MDEA Technical Support 1-800-552-8324
27