3-3
EMP-822/EMP-83/EMP-X5/EMP-S5
SEIKO EPSON Revision:A
3.2 Basic Information on Troubleshooting
This section describes basic information needed when executing the troubleshooting.
3.2.1 LED Indicators
The control panel has three LEDs that indicate the operating status of the projector.
Figure 3-1 LED Indicators
The following tables show what the indicators mean and how to remedy any problem
indicated.
Power indicator lights red: Abnormal
ON Blink OFF
Table 3-2. LED Indicator Status (Error)
Indicator Status
Projector
Status
Problem and Remedy
Internal Error
[Status]
Abnormality is detected from any of the following elements on the MA
board.
• ROM Error
• RAM Error
• I2C Error
• DR Status Error
[Remedy]
Disconnect the AC cable once, and reconnect it, then turn the power on.
If the same error occurs, replace the Optical Engine and MAB set
because the MA board is broken. (refer to 4.4.2 "Removing the Optical
Engine and MAB set(1) (MA Board Assy.) /IF Case" (p. 26) / 4.4.5
"Removing the Optical Engine and MAB set (2) (Optical Engine)" (p.
39))
Power indicator
Lamp indicator
Temp indicator
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