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P0A80 – Weak Cell Fault

This fault is triggered based on thresholds programmed into the BMS profile that indicate when a cell is “weak”. While this error code is designed to indicate a cell is weak, this error is triggered when certain pre-programmed conditions are … Continue reading

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P0A0B – Internal Software Fault

This error code indicates that the Orion BMS has determined that an internal hardware fault has occurred. If this error message occurs, please download the associated freeze frame data and contact the factory or authorized dealer for assistance. Please save … Continue reading

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P0A0A – Internal Heatsink Thermistor Fault

This error code indicates that the Orion BMS has determined that an internal hardware fault has occurred. If this error message occurs, please download the associated freeze frame data and contact the factory or authorized dealer for assistance. Please save … Continue reading

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P0A09 – Internal Hardware Fault

This error code indicates that the Orion BMS has determined that an internal hardware fault has occurred. If this error message occurs, please download the associated freeze frame data and contact the factory or authorized dealer for assistance. Please save … Continue reading

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P0A12 – Cell Balancing Stuck Off

This error code indicates that the Orion BMS has determined that an internal hardware fault has occurred. If this error message occurs, please download the associated freeze frame data and contact the factory or authorized dealer for assistance. Please save … Continue reading

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P0AC0 – Current Sensor Fault

A current sensor fault is triggered if the analog voltages from the attached current sensor stray outside of the normal range or if the values from the 2 redundant current sensors do not match. The current sensor may be sized … Continue reading

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P0A1F – Internal Cell Communication Fault

This error indicates that the Orion BMS has encountered an error trying to communicate with the isolated circuitry that measure cell tap voltages. This error can be caused by external electrical noise if the BMS is not properly grounded or … Continue reading

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P0AFA – Low Cell Voltage Fault

This fault code is triggered when the voltage of a cell falls below 0.09 volts (90 mV). This fault can be caused by a cell that is incorrectly set in the BMS profile as a “populated” cell, a disconnected cell … Continue reading

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P0AA6 – High Voltage Isolation Fault

This code is set when the BMS measures an isolation breakdown between the high voltage battery and the 12 volt system. A breakdown in isolation can be caused by ruptured or leaking cells, high voltage cabling insulation that has rubbed … Continue reading

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P0A01 – Pack Voltage Sensor Fault

This fault code is set if the total pack voltage sensor reads zero volts. This error will also cause a voltage redundancy fault code. This fault code may be the result of the voltage tap connection not being connected when … Continue reading

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