Fault Phenomenon: Genie GS-3390 RT scissor lift aerial work platform high water temperature, radiator fan not spinning.

Troubleshooting Process:
– Checked belt: belt broken.
– Checked silicone clutch: clutch failed.
– Checked motor: motor burnt.
– Checked temperature switch: switch failed.

Root Cause: The radiator fan belt is broken or the silicone clutch has failed.

Required Parts: Fan belt or silicone clutch.