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Operation
12 900-0114-01-00 Rev A
STATUS LEDS
GREEN
Solid: The inverter is ON and providing power. If accompanied by solid yellow LED, unit is selling power to
the utility grid. (See page 23 for a description of the Sell function.)
Flashing: The in
verter has been turned ON but is idle. May be accompanied by the yellow LED. If not
accompanied by the yellow LED, the unit in inverting mode and is idle due to lack of demand. This can be
because the unit is in Search mode. (See page 14 for a description of Search.)
Off: Unit is OFF. It is not waiting to provid
e power. Any power present is from another source such as the
utility grid or generator. (See Startup on page 9, or the system display manual, to turn the unit ON.)
The
unit may
also be a slave that is in Power Save mode. If so, the master inverter may still be providing power
to the system. (See page 27 for a description of Power Save.)
YELLOW
Solid: The AC source is connected and providing power. Unit may or may not be charging the batteries,
depending on settings. May be accompanied by green LED.
Flashing: The AC source is present but has not been accepted. If flashing continues, the unit is refusing the
source. This can occur for the following reasons.
The AC source may have quality issues. External diagnosis may be required. (See page 15 for a
descri
ption
of input criteria. See the system display manual for diagnosis using the meter displays.)
In the MATE system display, the AC Input Control menu is set to DROP. (See the MATE manual for a
description of the AC IN hot key.)
In the MATE, the HBX feature or the Grid Use feature intentionally disconnected the inverter. (See the
MATE manual for a description of these modes.)
Off: No AC source is detected. If a source is supposed to be present, confirm the voltage between AC HOT
IN and AC NEUTRAL IN terminals.
RED
Solid: ERROR. Unit has shut down due to a critical problem which may be internal or external to the
inverter. This LED is accompanied by an Error message in the system display. See page 36 for a
description
of ERROR messages.
Flashing: WARNING. Unit has detected a non-critical problem but has not yet shut down. A Warning does
not always lead to a shutdown — if it does, it becomes an Error. This LED is accompanied by a Warning
message in the system display. See page 37 for a description of Warning messages.
Off: No probl
e
ms are detected.
Table 3 Status LED Quick Reference
Color State Inverter State Notes
Solid GREEN
Inverter is ON and providing power. If accompanied by YELLOW LED, unit is selling.
Flashing GREEN
Inverter is ON but standing by. Unit may be in Search mode.
GREEN
Off
Inverter is not providing power. Unit is either OFF or has been replaced by AC
source (see next item).
Solid YELLOW
AC source connected and providing
power.
Unit may or may not be charging batteries,
depending on settings.
Flashing YELLOW
AC source present but not yet accepted. Unit may be programmed not to accept the
source, or the source may have quality issues.
YELLOW
Off
No AC source is detected. If source is present, check AC input.
Solid RED
ERROR. Unit has shut down. See
Troubleshooting.
To see Error messages, see the system display
manual.
Flashing RED
WARNING. Unit detected a problem but
has not yet shut down. See
Troubleshooting.
To see Warning messages, see the system
display manual.
RED
Off
No problems detected.