ASROCK B550D4-4L User Manual page 16

No. Item
1 FAN_LED1
2 SB_PWR1
3 FAN_LED2
4 FAN_LED3
5 FAN_LED5
6 FAN_LED6
7 FAN_LED4
8 BMC_LED1
10
Status Description
Amber FAN1 failed
Green STB PWR ready
Amber FAN2 failed
Amber FAN3 failed
Amber FAN5 failed
Amber FAN6 failed
Amber FAN4 failed
Green BMC heartbeat LED