The gate cannot completely close (or open)
- The photocell detects an obstacle: Eliminate the obstacle and try again
- The resistance of the gate has increased when closing (or when opening):Check the moving parts of the gate and elimante the resistance
- The force of the operator during closing (or opening) is too low: Using the control panel programme, increase the closing or opening force.
- The mechanical stoppers of the gate or the operator are maladjusted.