
Inverter/Charger Installation
2–34 975-0239-01-01
This manual for use by qualified personnel only
3. Monitor the INVERT (Green kW) LED to confirm which mode the inverter is in:
• LED Off – Invert Mode is disabled. The inverter/Charger is not powering
the AC loads. However, if good AC is present, it is passed through to the
loads.
• One blink/sec – The inverter/charger is in the Search Mode and is
looking for an AC load greater than the Search Watts setting
(default = 25 watts). The Display shows Sch (Search) when this mode
has been enabled.
• LED On – The inverter/charger is on. The inverter is operating and is able
to provide power to the AC loads. This is the default mode on initial
powerup once the unit is taken out of Standby Mode.
If the inverter is not operating or the INVERT LED (kW) does not illuminate, check
all connections. Check the inverter’s DC voltage on the positive (+) and
negative (–) terminals. Check the Fault LED. If the fault LED is illuminated, check
for a fault code on the information panel. Correct the reported fault if possible
and clear the fault. If the DC voltage is low, the battery bank needs to be charged
externally. Charge the battery bank and restart the functional test.
AC Voltage Check
To perform an AC voltage check:
1. With the inverter on (INVERT [green, kW] LED on solid), verify the AC voltage
at AC Loads block terminal L1-Load to N-Load.
2. Verify that neutral is bonded to ground in the system by measuring the hot
and neutral voltages relative to ground. Neutral-to-ground should equal
zero (0) volts.
3. After confirming the correct AC voltage, turn on your AC output breaker and
place a load on the inverter (plug in a light or other load to an outlet the
inverter is powering).
4. Confirm that the AC load that was just applied works properly.
Important: This test requires the use of a voltmeter.
Figure 2-24 Checking AC Voltage
AC
LOAD
GRID
(AC1)
GEN
(AC2)
AC OUT AC IN AC IN
L1 N L2 L1 N L2 L1 N L2
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