Plandr + is the first app or IDD Parts BV, which specializes in components for the service, maintenance and after-sales or sectional overhead doors and docking systems. Plandr + Provides on-site (at the door) support for industrial door and docking service teams. Identification / recognition of broken torsion springs on a through is a real challenge for any qualified engineer That needs to replace the springs. Plandr + leads the user through six simple steps to the identification of the torsion