PSU LEDs
PSU LED
The power supply uses a bi-color LED; Amber & Green. Below are table showing the LED states for each power supply operating state and the LED’s wavelength characteristics.
| Power Supply Condition | LED State |
|---|---|
| Output ON and PSU Okay | GREEN |
| No AC power to all power supplies | OFF |
| PSU standby state: AC present / Only 12Vsb ON | 1Hz Blinking GREEN |
| AC Cord unplugged or AC power lost: second PSU in parallel still has AC input power | AMBER |
| PSU critical event causing a shutdown: failure, over current, over voltage, short circuit, fan shutdown | AMBER |
| PSU warning event where PSU continues to operate: high temp, high power, high current, slow fan | 1Hz Blinking AMBER |
| Power supply firmware (FW) updating | 2HZ Blinking GREEN |