Problem 1. Unit fails to complete set-up cycle.
Check that the origin subsystem is working (refer Q3 set-up mode).

If not:-

Check the origin marker is mounted the correct way around, (refer to page 13 of the installation manual).
Check the origin marker is mounted the correct distance (>500mm) along the rack from the sensor, (refer to page 13 of the installation manual).
Reduce gap (refer Q2).
Check that the steel magnetic shields are fitted D3/A5 only (D5 does not utilise).
Check the harness connections, the middle white plug should be connected to the DOSS.
Check battery voltage (D3/D5 models only).

Problem 2. Unit rams an end stop.

Check all points as per “problem 1″ above.
Check that the steel magnetic shields are fitted D3/A5 only. (D5 does not utilise)
Remove anti theft cage (if fitted) and repeat set-up procedure.l
Check that the origin marker is secure.
Check that the gearbox mounting is secure.