Park brake not activated – Engage

Air pressure too low – Allow to build up

Truck not in neutral – Select Neutral

Leaking air hose or fitting – Repair/Replace

Electrical fault – Check (Refer Section 12 of Manual)

Truck not in gear – Select correct gear

Ancillary mode drive gear not selected – Engage

Incorrect procedure for engagement – Refer Section 5 of Manual

Emergency stop button engaged Reset