admin desktops & Laptops Support Joined Dec 2, 2017 Messages 32,752 Dec 10, 2017 Thread Author #1 Symptom: Error codes 4 LED light turns green, flashes 4 times then goes green again and flashes 4 times again. Fuse (500mA) on inverter panel is open circuit. Repair/Solution: Replace the fuse on inverter board.
Symptom: Error codes 4 LED light turns green, flashes 4 times then goes green again and flashes 4 times again. Fuse (500mA) on inverter panel is open circuit. Repair/Solution: Replace the fuse on inverter board.
Dell Precision 7750 FDX70 LA-J181P Schematics, BoardView