Victron energy Smart Battery Sense, Manual

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4. LED Status codes
Smart Battery Sense has two LEDs: a Bluetooth status LED (blue), and an Error LED (red).
On power-up, the Bluetooth LED will be slow-blinking - indicating that the device is ready to accept a Bluetooth connection.
If both LEDs remain illuminated, something is wrong with the Smart Battery Sense unit (Hardware error).
When the LEDs are alternating quickly for more than 30 seconds, the Smart Battery Sense is in firmware update mode and will
need to complete the update before it can be used. Firmware updates are performed (where necessary) after connecting to
VictronConnect.
Blue
LED Red
LED
Smart
Battery
Sense state
Connection
State
Remark
On On Not functional Disabled Hardware error.
Smart Battery Sense will not be visible in VictronConnect
andit will not be contributing information to the VE.Smart
Network.
Slow
blinking Off Measuring V/T Not connected If VE.Smart Networking has been configured, the device will
be contributing the voltage and temperature information to
the VE.Smart network.
On Off Measuring V/T Connected If VE.Smart Networking has been configured, the device will
be contributing the voltage and temperature information to
the VE.Smart network.
Fast
blinking Fast
blinking Firmware
update Not connected Red and Blue LED Alternating
On Slow
blinking Firmware
update Connected
On Fast
blinking Firmware
update Programming
Smart Battery Sense Manual
Page 4 LED Status codes