Fault Phenomenon: KUKA AGV forklift when charging, the battery contactor cannot engage, charging interrupted.

Troubleshooting Process:
– Checked control signal: no signal output.
– Checked coil: coil open circuit.
– Checked mechanical: mechanically seized.
– Checked voltage: insufficient voltage.

Root Cause: The battery contactor control coil is open circuit.

Required Parts: Battery contactor assembly.