LEDs - The LED indicators provide information about the device operation status:
Figure 4: Three LED Indicators
Color Indication Description
Red Fault
Off - No error
On – Error, or during Boot/Reset
Blinking - During pairing with the inverter
Green
Power delivery to
immersion heater
(load)
Flickering
(1)
– No power is delivered to the
immersion heater
On - Delivering power to the immersion
heater, or during Boot/Reset
Blinking - During pairing with the inverter
Blue
ZigBee/Wi-Fi
Communication
link to the inverter
Off – Not paired with the inverter
Blinking - The device is paired with the
inverter however not connected to the
monitoring platform, or during pairing with
the inverter
ON - The device is paired with the inverter
and connected to the monitoring platform,
or during Boot/Reset
All LEDs
Off - The device is not powered.
On - During boot / reset
Blinking (sequentially) - Device firmware
upgrade
Blinking (simultaneously) - During pairing
with the inverter
(1)
Flickering: 100mS ON, 5Sec OFF
Smart Energy Hot Water Installation 11
Smart Energy Hot Water Installation Guide MAN-01-00570-1.4
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