Category Archives: Problems with the Orion Jr. BMS

No cell voltages appear (Orion Jr. BMS)

Posted on March 3, 2016 by admin

Common Causes: Incorrect Cell Population Settings BMS is configured with default settings (default settings will show no cell voltages). Cell wiring harnesses not connected to the BMS Cell tap wiring error Internal damage to the BMS Note: If the BMS … Continue reading →

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Problems connecting to the Orion Jr. BMS unit via PC software

Posted on March 3, 2016 by admin

This guide is for the Orion Jr. BMS (plastic unit for 16 cells), pictured below. IIf you have a metal standard Orion BMS unit, click here for troubleshooting steps. Diagnosing communication problems can be frustrating since there are many possible … Continue reading →

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Orion Jr. BMS does not power up (LED stays off)

Posted on February 10, 2015 by admin

The Orion Jr. BMS has an optional low power shutdown that can limit the amount of power drawn from a dead battery. If the Orion Jr. BMS is not powering up, this low power shutdown is likely the cause, particularly … Continue reading →

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