EH1020
Confidential
3-2
3-2 Main Procedure
The other troubleshooting procedures please refer to common service manual
3-1.
No
Symptom
Procedure
1
Auto Shut Down
- Check LED Status
a.
Over Temp: ON/STANDBY LED
flashes amber, Temp LED
lights on red
- Check Fan
- Check Thermal Switch
- Check Thermal Switch
- Check Main Board
b.
Fan fail: ON/STANDBY LED
ON/STANDBY LED
flashes amber, Temp LED
flashes red
- Check Fan
- Check Main Board
c.
Lamp fail: ON/STANDBY LED
: ON/STANDBY LED
flashes amber, Lamp LED
lights on red
- Check Lamp
- Check Lamp Driver
- Check Color Wheel
- Check Photo Sensor
- Check Main Board
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