Fault Phenomenon: Wilbert flat-top tower crane inverter cabinet reports “Fan Fault” alarm, cabinet temperature rises.

Troubleshooting Process:
– Checked cooling fan: fan stopped.
– Checked fan fuse: fuse blown.
– Checked fan motor: motor windings shorted.
– Replaced cooling fan assembly.

Root Cause: The inverter cabinet cooling fan motor burnt out.

Required Parts: Inverter cabinet cooling fan.