Fault Phenomenon: Oranga electric forklift battery BMS locks out, unable to output power, instrument displays severe fault.

Troubleshooting Process:
– Checked individual cell voltages: cell voltages inconsistent.
– Checked temperature: temperature too high or too low.
– Checked communication: communication interrupted.
– Checked software: software bug.

Root Cause: Severe imbalance in individual battery cell voltages triggered BMS protection lockout.

Required Parts: BMS system reset or replacement of individual battery cells.