550W

P-1/P-2

Green LED on

PSU output ON and OK

Amber LED on

PSU failure or

AC in power lost, but a second power is powered

Off

PSU module is powered off

1600W & 920W

P-1/P-2

Left LED(DC OK) Green on

Right LED(AC OK) Green on

Power supply DC outputs on and OK

Left LED(DC OK) is Green/0.5Hz flashing

Right LED(AC OK) Green on

AC present / Only standby outputs on

Left LED(DC OK) Red on

Right LED(AC OK) Green on

Power supply failure, PSU shut down

Left LED(DC OK) Green on

Right LED(AC OK) is Red/0.5Hz flashing

One PSU is working normally, but the AC power supply of the other PSU is abnormal.