Monthly Archives: February 2014

Cell voltages appear incorrect (when under load)

Posted on February 25, 2014 by admin

When cell voltages are correct while sitting, but appear incorrect when the pack is under load, the cause is usually a loose terminal on a battery, a high impedance connection between two cells (such as a long cable, fuse or … Continue reading →

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Cell voltages appear incorrect (not under load)

Posted on February 25, 2014 by admin

Almost all cases of voltages showing incorrectly when the pack is not under load are a result of wiring errors (or a result of damage to the BMS unit from previous wiring errors). If one wiring error exists in a … Continue reading →

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Error output is on, but no error codes are present

Posted on February 25, 2014 by admin

The Orion BMS error output will turn on if the BMS detects a “charge interlock” condition. This condition does not produce an actual error code. This is used to notify the operator that the BMS has detected power at both … Continue reading →

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Problems connecting to the Orion BMS unit via PC software

Posted on February 25, 2014 by admin

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

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