• Mechanical Endstops are not securely fitted
• Poor meshing between rack and pinion due to excessive gap, missing teeth, etc.
• Faulty DOSS sensor
• Electric fence contact preventing gate from reaching fully closed position
Solutions
• Ensure that Endstops are sturdy and do not move
• Ensure that gap between rack and pinion is approximately 3mm
• Check for missing teeth on rack
• Place an endstop approximately 100mm before the fully closed position and perform setup procedure