Fault Phenomenon: BYD CDE16 lithium forklift after inserting the charging gun, the instrument displays a charging fault, unable to charge, BMS reports error.

Troubleshooting Process:
– Checked charging gun lock: locked securely.
– Checked BMS communication line: communication line open circuit.
– Checked battery temperature: battery temperature too high, protection activated.
– Checked charger protocol: protocol mismatch.

Root Cause: Poor contact of the BMS communication line or faulty battery temperature sensor.

Required Parts: BMS communication harness or temperature sensor.