Redback SH5000 - EMS Status Leds

Troubleshooting
52 Installation Manual - Redback Smart Hybrid System - v2.0
5.3 EMS Status LEDs
The EMS (Energy Management System) is in the Balance of System (BoS). The
EMS Status LEDs are visible in the BoS switchgear hatch.
The EMS controls the inverter functionality, and all internal and external
communications.

Indicates the Homeowner may complete this activity.

Indicates the activity may only be completed by an Electrically Certified
person.
LED
COLOUR &
PATTERN
MEANING AND OR
PROBABLE CAUSE
SOLUTION(S)
ALL LEDs OFF
No Power available

Inverter is Isolated from Grid Supply. Turn Grid Supply ON

Grid outage is occurring, and no PV or backup power exists. Wait for
grid or PV power to be restored.

Bypass is incorrectly set. Try the Bypass switch in the UP and DOWN
positions- the EMS should power up from grid or battery, if available.

EMS PSU problem (internal). Check for disconnected DC power cable or
PSU failure.
ALL LEDs ON
EMS is in start-up
phase

Wait two minutes. EMS should stabilise to:
Power ON ; Heartbeat flashing ; Inverter ON .

If all EMS LEDs remain ON, restart the EMS.
Set Bypass switch to the middle position for 5 seconds then return to
the original position. Wait two minutes.

If all LEDS remain ON, contact Redback for assistance.
POWER
EMS has power
OK. No action required.
EMS does not have
power

See ALL LEDs OFF, above.

EMS Power Supply failure- Replacement required.

EMS failure- Replacement required.
HEART
BEAT
OK
No action required. EMS is running normally.
EMS is frozen or
updating


Wait 5 minutes. If no change, restart the EMS.
If still frozen, contact Redback for assistance.
No Power

See ALL LEDs OFF, above.
Inverter is off

Start inverter in accordance with section 3.3.
INVERTER
OK

Wait 5 minutes. Settings are being applied.
OK
No action required. EMS is connected to inverter.
EMS is not
connected to the
inverter

Check internal communications cables- contact Redback for
information.