Fault Phenomenon: UpRight SL30 scissor lift aerial work platform when overloaded, the system does not alarm and can still rise.

Troubleshooting Process:
– Checked load sensor: sensor damaged or zero-point drift.
– Checked wiring: wiring open circuit.
– Checked calibration: calibration parameter error.
– Checked controller: controller faulty.

Root Cause: The platform load sensor has failed or calibration parameters are lost.

Required Parts: Load sensor and recalibration.