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P5271/P5290/P5390W/P5271i
Condential
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 LVPS
- Check Lamp Driver
- Check Main Board
2 Auto Shut Down
- Check LED Status
a. Thermal/Fan Failure
: Temp LED (lights or ashes red), Power
LED (lights red)
- Check Thermal Switch
- Check Fan
- Check Main Board
b. Lamp FailureFailure
: Lamp LED (lights red), Power LED (lights blue)
- Check Lamp
- Check Lamp Driver
- Check Main Board
c. Color Wheel Failure:Color Wheel Failure:Failure::
Lamp LED (ashes red), Power LED
(lights blue)
- Check Color Wheel
- Check Photo Senor
- Check Main Board
3 No Light On
- Ensure all connectors are securely connected and aren’t broken
- Check Lamp Cover
- Check Interrupt Switch
- Check Lamp Module
- Check Lamp Driver
- Check LVPS
- Check Main Board
- Check Color Wheel
- Check Photo Sensor Board