Redback Technologies
Owner’s Guide – Redback Smart Hybrid System - v 3.8
25
12.5 Inverter Status LEDs
Your Redback inverter is equipped with an LED array to indicate
system status and aid diagnosis.
The table below lists LED indications, probable
cause, and
you can try yourself. Refer to page 9 to identify
If the problem is not solved contact your installer for assistance.
MEANING AND OR
PROBABLE CAUSE
Wait up to 15 minutes after a restart- this may be normal behaviour. The
system may cycle several times during start-up. Completion of start-up
process is indicated by the LED stabilising to ON.
Check the UTILITY
GRID LED
OFF: Grid is not connected. Turn grid isolators ON.
FLASHING: Contact your installer
not installed or are
connected correctly.
check SOLAR
ARRAY LED
OFF: Turn PV ARRAY DC isolator ON (clockwise to 12
o’clock).
OFF, and batteries are installed: Turn BATTERY
SYSTEM DC isolator ON (up).
Contact your installer if LED remains OFF for more than one minute
following a restart.
OK. No action required. Both arrays are active.
Active
If only one array is installed, the other array will indicate as Not Active.
Contact your installer if you have two arrays installed.
At night, both Arrays indicate Not Active.
Not Active Active
Ensure PV ARRAY DC isolator is ON (clockwise to 12 o’clock).
At night, both arrays indicate Not Active.
Grid active and
connected
OK. No action required.
connected
This may be normal behaviour after a restart- wait up to 90 seconds. The
LED stabilises to ON when connected.
Grid power does not
comply with AS4777.2
The inverter checks the grid quality prior to- and after connection and will
disconnect if Grid voltage, frequency or harmonics are outside the
Normal behaviour during a Grid outage. If grid is available:
from grid (a.k.a.
buying)
No action required- this is normal operation. When (Instantaneous PV +
Battery power) exceeds House Demand, the shortfall is met by the grid.
If Batteries are not fulfilling house demand as expected, contact your
Sending energy to
grid/zeroing
No action required- this is normal operation: The house demand is
being fulfilled by the battery and or PV.
grid (a.k.a. selling)
No action required: this is normal operation. Power is exported to the
grid when PV exceeds (Battery charging + House demand).
installer if this is unexpected behaviour e.g. exporting while the battery
is not full and not charging.
system not operating
UTILITY GRID
LED.
OFF: Turn grid isolators ON.
ON: Contact your installer or Redback.