Epson DREAMIO EH-TW2900, Service Manual

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EH-TW3500/4500/5500 Troubleshooting CONFIDENTIAL
SEIKO EPSON 19 Revision A
2.4 Problem diagnosis and Troubleshooting
2.4.1 LED Indication
The control panel on the projector has four LEDs to indicate the projector’s operation
status. When errors occur, you can identify error status with those LED indications.
Figure 2-2. LED Indicators
†
Abnormal Status
ON Blink OFF
Lamp LED
Temperature LED
Source LED
Power LED 1
(Sign on the button)
Power LED 2
(Around Power Button)
LED Status Error Problem/Error Status
Internal Error
Abnormality is detected from the
elements on MA Board.
Internal Error (RAM)
Fan Error
Sensor Error
• Abnormality is detected from a fan.
• Abnormality is detected from a sensor.
Auto Iris Error Abnormality is detected from Auto Iris.
Cinema Filter Error
• Abnormality is detected from CF
Motor.
• Abnormality is detected from CF
Frame.
• Abnormality is detected from CF
Switch.
High Temp Error
(overheating)
The lamp turns off automatically, and the
projection stops. Left the projector for 5
minutes untouched, it switches to the
standby mode.
[Status]
The internal temperature rises over the
specified level.
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Red Red
Red Red
Red
Red Red
Red Red
Red