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2.2 Environmental Control Board LED Status
D2 LED: fan failure indicator
。
D2 LED no light: all cooling fans are normal
。
D2 LED red light: one of the fans fails
D4 LED: fan 1 status
。
D4 LED no light: fan 1 is normal
。
D4 LED red light: fan 1 fails
D5 LED: fan 2 status
。
D5 LED no light: fan 2 is normal
。
D5 LED red light: fan 2 fails
D6 LED: fan 3 status
。
D6 LED no light: fan 3 is normal
。
D6 LED red light: fan 3 fails
D7 LED: fan 4 status
。
D7 LED no light: fan 4 is normal
。
D7 LED red light: fan 4 fails
