Error Codes - Mitsubishi Electric WD-52631 Service Manual

4. Error Codes

The Error Code designations indicating malfunction, or no malfunction, are listed below:
Code
No Error found
12
Lamp cover is open.
32
Lamp turns Off while the TV is playing.
(1)
(Lamp failure)
34
(Lamp Enable signal from engine is lost)
Lamp ballast fan failed.
36
Engine (DLP) fan failed.
37
Lamp temperature abnormally high. Remove Lamp to check filter.
38
39 DMD temperature abnormally high.
Exhaust fan failed.
42
Check for disconnected DVI cable between PWB-DM and Engine.
44
Engine power supply short is detected.
48
Ballast communication problem (ballast to chassis)
(2)
57
58 Signal Short is detected
59 DM short is detected
(3) No LAMP-EN output from the engine to the ballast
61
Lamp did not turn on at P-ON sequence
(4)
(No Lamp inserted)
66
(Disconnected cable between ballast and lamp)
(Lamp-Enable goes to DM but not to Ballast)
Code 34 - Lamp Enable is generated to activate the Lamp
(1)
Code 57 - Lamp Enable is generated during P-ON sequence, but no Lamplit signal is received from the Ballast.
(2)
Code 61 - No Lamp Enable is received at the DM and Ballast.
(3)
Code 66 - Lamp enable is received at the DM but not at the Ballast.
(4)
Lamp T roubleshooting
Use the above Error Code Table, the Lamp Control Block diagram, and the Troubleshooting flow chart on the following pages
to determine is a lamp problem is due to the Lamp, Ballast, Power Supply or Light Engine.
MODEL: WD-52631 / WD-57731 / WD-65731
ERROR CODES
Description
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