Legion Solar Installation and Operations Manual
Upon power-up the LED color is amber, followed by relay click sounds, then blinking Red to Green LED
(1Hz) to indicate that Battery Commander V2.0 has successfully started and initialized. Once Battery
Commander V2.0 has detected a full battery charge it will learn the battery chemistry and set the LED to
either solid Red or solid Green LED.
Battery Commander V1.0
Red to Green Blinking (1Hz) Battery Commander is the learning battery chemistry and set to Solar to Battery mode
until the battery becomes fully charged from the solar panels. Once the battery is fully
charged, Battery Commander will auto detect the battery chemistry and switch to solid red
or solid green. During this learning period, battery capacity reported in the Legion Solar
app for this Battery Commander unit will be 0%.
Red Blinking (1Hz)
Battery Commander in factory default mode. Disconnect battery and solar panel, wait 10
seconds and reconnect battery first, then solar panel. Set battery discharge limit above
40% in Legion Solar app. If problem persists. Contact customer service to send in the unit
for repair.
Green Blinking (1Hz)
Disconnect battery and solar panel, wait 10 seconds and reconnect battery first, then
solar panel. Set battery discharge limit above 40% in Legion Solar app. If problem
persists, contact customer service to send in the unit for repair. Battery Commander
needs to be programmed with an ID number. This can only be done at the factory.
Red Blinking (15Hz)
Hardware error with battery voltage and/or battery current detection circuits. Contact
customer service.
Green Blinking (15Hz)
Battery voltage is out of 20.0V - 29.4V operating voltage range. Check battery voltage
and connections.
Battery Commander V2.0
LED Status
Description
Battery Commander
V1.0 LED Status
Description
No Light
No DC power from batteries
Red Solid
Unit not configured
Green Solid
DC power from batteries OK
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LED Indicator
Located on the side of each Battery Commander is an LED
indicator light to visually indicate the unit’s status.