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5.6 Status Indicators
The APM is equipped with an LED panel that indicates
the system status. See Figure 24 and Figure 25.
Note: A model RXT transfer switch is required for power
connection status indication. See Figure 25.
LED Indicator
Utility power available *
Utility power connected *
Power to home *
GEN1 status
GEN1 contactor closed
GEN2 status
GEN2 contactor closed
Generator set voltage
available
Generator set(s)
connected *
* Model RXT transfer switch is required for operation of these LEDs.
Figure 25 LED Operation/Status Indication
TT-1596
8/22
LED
Color
OFF
Green
Not available
Green
Not connected
Green
No power to the home
Red
Not running
Red
GEN1 contactor open
Red
Not running
Red
GEN2 contactor open
Generator set voltage not
Red
available
Generator power not
Red
connected to the home
1
4
5
6
7
1. Utility power available*
2. Utility power connected*
3. Power to the home*
4. Generator set(s) connected*
5. Generator set voltage available
6. GEN1 contactor closed
7. GEN1 status
8. GEN2 contactor closed
9. GEN2 status
* Model RXT transfer switch is required for operation of these
LEDs.
Figure 24 Status Indicators
LED State
Flashing
—
—
—
Genset fault
Synching
Genset fault
Synching
—
—
2
3
8
9
TT1596
ON
Utility power available
Utility power connected
Home has power
Generator is running
GEN1 contactor closed,
providing power to the
home
Generator is running
GEN2 contactor closed,
providing power to the
home
Generator set voltage
available
Generator power
connected to the home
25