The DC power
supply module has LEDs that indicate power supply status. Under normal
conditions, the power output and line input LEDs are lit at the same
time.Figure 1. Power indicator
codes
Item
LED
Color
State
1
Power output
Green
ON — Normal operation. Power supply is connected to DC power and
the power switch is on. The power supply module is supplying DC power
to the array.
OFF — Indicates any one of the following:
The power switch is off.
The power supply module is not connected to power.
There is a fault condition.
2
Power supply module fault
Yellow
ON — Fault detected.
OFF — OK.
Blinks briefly when power is first turned on to the power supply
module.
3
Line input
Green
ON — Power supply module is connected to a source of DC power
whether or not the power switch is on.
OFF — Power supply module is completely disconnected from any
source of DC power.
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