P5271/P5290/P5390W/P5271i Confidential 3-23-2 Main ProcedureNo Symptom Procedure1 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 Board2 Auto Shut Down- Check LED Statusa. Thermal/Fan Failure: Temp LED (lights or flashes red), PowerLED (lights red)- Check Thermal Switch- Check Fan- Check Main Boardb. Lamp FailureFailure: Lamp LED (lights red), Power LED (lights blue)- Check Lamp- Check Lamp Driver- Check Main Boardc. Color Wheel Failure:Color Wheel Failure:Failure:: Lamp LED (flashes red), Power LED(lights blue)- Check Color Wheel- Check Photo Senor- Check Main Board3 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
