Optoma HD21 - Common Troubleshooting Steps

HD20/HD200X/HD2200/HD20LV/HD21/HD23
Condential
3-2
3-2 Main Procedure
No Symptom Procedure
1 No Power
- Ensure the Power Cord and AC Power Outlet are securely
connected
- Ensure all connectors are securely connected and aren’t broken
- Check Lamp DriverLamp Driver
- Check L�PSLVPS
- Check Main Board
2 Auto Shut Down
- Check LED Status
a. Over Temp: ON/STANDBY LED ashes amber, Temp LED
lights on red
- Check Fan
- Check Thermal Switch-
- Check Main Board
b. Fan fail: ON/STANDBY LED ashes amber, Temp LED
ashes red
- Check Fan
- Check Main Board
c. Lamp fail: ON/STANDBY LED: ashes amber, Lamp LED
lights on red
- Check Lamp
- Check Lamp Driver
- Check Color Wheel
- Check Photo Sensor
- Check Main Board