2.2.2 Indicator lights and buttons
Green (steady on): Indicates that the input and output are
normal.
Orange (steady on): Indicates that the AC power cord is
unplugged or the power module is missing, and only one
power module in parallel has AC input; power module
malfunction causing output shutdown, such as OVP, OCP,
fan failure.
Gre en (1 Hz /flashing): Indicates that the input is normal,
the voltage is too low (less than 12 V) or the power supply
is in the smart open state.
Green (2 Hz /flashing): Indicates that the Firmware is being
upgraded online.
Orange (1 Hz /flas hing): Power supply warning event
indicating continuous power supply operation, high
temperature, high power, high current.
Off: Indicates no AC power input.