Fault Phenomenon: Skyjack SJ3215 scissor lift aerial work platform operating the handle, the vehicle does not respond, the micro switch does not click.

Troubleshooting Process:
– Checked micro switch: internal spring broken.
– Checked mechanical trigger: trigger block worn.
– Checked wiring: wiring open circuit.
– Checked handle: handle housing cracked.

Root Cause: The micro switch inside the handle has mechanically fatigued and broken.

Required Parts: Handle micro switch or handle assembly.