Fault Phenomenon: Sinoboom GTJZ20 scissor lift aerial work platform platform guardrail is bent from impact, affecting safety.

Troubleshooting Process:
– Checked impact marks: obvious impact.
– Checked material: material fatigued.
– Checked welds: welds cracked.
– Checked height: collision with low clearance.

Root Cause: The platform entered a low-clearance area and collided, causing the guardrail to deform.

Required Parts: Guardrail assembly replacement or straightening.