Fault Phenomenon: Teupen spider lift when the outriggers are not fully extended, the boom can still be operated, interlock protection fails.

Troubleshooting Process:
– Checked outrigger sensors: sensor signal error.
– Checked interlock logic: logic bypassed.
– Checked wiring: wiring shorted.
– Checked controller: controller faulty.

Root Cause: The outrigger position sensor has failed or wiring short circuit disables the interlock.

Required Parts: Outrigger position sensor.