Troubleshooting; Earth Fault Alarm; Inverter Status Leds - Redback SH5000 Installation Manual

Troubleshooting

5.1

Earth fault alarm

If the Redback system detects an earth fault:
An audible alarm will sound in the inverter.
The system error light will be solid (see next page).
An email will be sent to Redback customer service, the installer, and the system owner.
An email is also sent when the alarm is cleared.
5.2

Inverter Status LEDs

The Redback inverter is equipped with an LED array to indicate
system status and aid diagnosis. The table below lists LED
indications, probable cause, and rectification steps. If the problem
is not solved contact Redback Technologies for assistance.
Indicates the Homeowner may complete this activity.

Indicates the activity may only be completed by an

Electrically Certified person.
LED NAME COLOUR &
PATTERN
SYSTEM
READY
SOLAR
ARRAY
MEANING AND OR
PROBABLE CAUSE
System ready
System starting

Grid is not available

PV or batteries are

not installed or are
connected correctly.

System is not

operating
Array1 Array2
Active Active
Active Not
Active
Not Active
Active
Not Not
Active Active
SOLUTION(S)
OK
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 OFF: Grid is
UTILITY GRID
not
LED
connected
FLASH
If daylight, OFF
Check SOLAR
ARRAY LED
Check OFF, and
BATTERY LED
batteries are
installed.
Contact Redback.
OK. No action required.
At night, both arrays indicate Not Active.
If only one array is installed, the other array will indicate as Not Active.
During daylight, perform the following checks if a connected array
indicates as Not Active:
Ensure PV ARRAY DC isolator is ON (clockwise to 12 o'clock).

Ensure PV cables are correctly connected to the inverter

(pairing & polarity).
 Ensure that solar output is within the capabilities of the MPPT
trackers i.e., 125 – 550V DC @ 11A/array.
Installation Manual - Redback Smart Hy brid System - v2.0
Redback Technolo gies
Turn INVERTER AC isolator ON

(up).
Check cables

The grid is available - the

inverter is not connected yet.
Turn PV ARRAY DC isolator ON

(clockwise).
Check cables

Switch BATTERY SYSTEM DC

isolator ON
Check cables; Check battery

DIP switches; Restart
batteries.
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