2-22 General Description
FAN0 (Fan 0 error LED)
Amber LED illuminates when failure occurs on the cooling fan for CPU0 of CPU/IO module.
FAN1 (Fan 1 error LED)
Amber LED illuminates when failure occurs on the cooling fan for CPU1 of CPU/IO module.
FAN2 (Fan 2 error LED)
Amber LED illuminates when failure occurs on the disk cooling fan of CPU/IO module.
FAN3 (Fan 3 error LED)
Amber LED illuminates when failure occurs on the power supply unit's fan of CPU/IO module.