Acer P5271 Acer P5271, P5271i, P5290 and P5390W Projector Series Service Guide - Page 60

3-2 Main Procedure No Symptom Procedure - Ensure the Power Cord and AC Power Outlet are securely connected - Ensure all connectors are securely connected and aren't broken 1 No Power - Check LVPS - Check Lamp Driver - Check Main Board - Check LED Status a. Thermal/Fan Failure: Temp LED (lights or flashes red), Power LED (lights red) - Check Thermal Switch - Check Fan - Check Main Board b. Lamp F��a�i�lu�r�e�: Lamp LED (lights red), Power LED (lights blue) 2 Auto Shut Down - Check Lamp - Check Lamp Driver - Check Main Board c. C��o�l�o�r��W��h�e�e��l ��F�a���il��u��r��e Lamp LED (flashes red), Power LED (lights blue) - Check Color Wheel - Check Photo Senor - Check Main Board - Ensure all connectors are securely connected and aren't broken - Check Lamp Cover - Check Interrupt Switch - Check Lamp Module 3 No Light On - Check Lamp Driver - Check LVPS - Check Main Board - Check Color Wheel - Check Photo Sensor Board P5271/P5290/P5390W/P5271i Confidential 3-