SAN Volume Controller 2145-SV1 main board LEDs
View the light-emitting diodes (LEDs) on the main board of the SAN Volume Controller 2145-SV1
Figure 1 shows the light-emitting diodes (LEDs) on the main board of the SAN Volume Controller 2145-SV1 . Debug LEDs remain lit only while the server is connected to power.
Figure 1. SAN Volume Controller 2145-SV1
main board
LEDs

Table 1 describes the error LEDs.
| Location | Color | LED | Description |
|---|---|---|---|
| LED5 | Green | BMC heartbeat | This LED blinks to indicate that the baseboard management controller (BMC) is functioning normally |
| LED6 | Green | S3 | ON indicates S3 signal assert (The CPU0 was not powered on) |
| LED7 | Yellow | S4 | ON indicates S4 signal assert (The CPU1 was not powered on) |
| LED8 | Green | SYS_PWROK | ON indicates all power for system is OK |
| LED9 | Yellow | PLTRST | ON indicates Platform reset assert |
| LED10 | Green | APWROK | ON indicates AUX Power for Platform Controller Hub (PCH) is OK |
| LED11 | Green | PCH_PWROK | ON indicates all power for PCH is OK |
| LED13 | Green | Port80 bit 0 | ON indicates 1, OFF indicates 0 |
| LED14 | Green | Port80 bit 1 | ON indicates 1, OFF indicates 0 |
| LED15 | Green | Port80 bit 2 | ON indicates 1, OFF indicates 0 |
| LED16 | Green | Port80 bit 3 | ON indicates 1, OFF indicates 0 |
| LED17 | Red | Port80 bit 4 | ON indicates 1, OFF indicates 0 |
| LED18 | Red | Port80 bit 5 | ON indicates 1, OFF indicates 0 |
| LED19 | Red | Port80 bit 6 | ON indicates 1, OFF indicates 0 |
| LED20 | Red | Port80 bit 7 | ON indicates 1, OFF indicates 0 |
| LED78 | Green | SATA active | Flashing indicates boot drive read/write activity |
| LED79 | Yellow | CPU Caterr | ON indicates a CPU CATERR assert (the CPU had a catastrophic error) |
| LED80 | Yellow | CPU thermtrip | ON indicates a CPU thermtrip assert (the CPU was too hot) |