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P3150/P3250/P3150 Refresh/P3250 Refresh/P3251
Condential
3-4
3-3 Main Procedure
No Symptom
Procedure
1 No Power
• Ensure the Power Cord and AC Power Outlet are securely
connected
• Check Lamp Cover and Interrupt Switch
• Ensure all connectors are securely connected and aren’t
broken
• Check Lamp Driver
• Check LVPS
• Check Main Board
2 Auto Shut Down
• Check LED Status
a. Power LED on(B/R), Lamp LED off, Temp LED on (R)LED on (R)on (R)
• Check Thermal Switch
• Check Fan
b. Power LED on(B/R), Lamp LED on (R), Temp LED offLED offoff
• Check Lamp
• Check Lamp Driver
• Check Main Board
c. Power LED on(B/R), Lamp LED off, Temp LED ash (R)LED ash (R)ash (R)
• Check Fan
• Check Main Board
d. Power LED on(B/R), Lamp LED ash (R), Temp LED offLED offoff
• Check Color Wheel
• Check Photo Sensor Board