Fault Phenomenon: Combilift multi-directional forklift when operating the steering mode switch, the vehicle cannot switch from front-wheel steering to four-wheel steering.

Troubleshooting Process:
– Checked mode switch: switch signal normal.
– Checked steering cylinder lock valve: valve not actuating.
– Checked controller program: program error.
– Checked hydraulic pressure: insufficient pressure.

Root Cause: The solenoid coil of the steering mode switch cylinder lock valve is burnt.

Required Parts: Steering lock solenoid valve assembly.