75
is a minimum stress mode time (but in no case is it higher than 50 seconds).
4.3.1.5. Z axis security systems test
The Z axis of the operating arm has an encoder to detect if there have been missed steps as a result of a collision
with the needle. In the case of a power failure, a mechanical system automatically raises the needle. On selecting
the corresponding options, the analyzer checks the functioning of each of these devices.
4.3.1.6 Maximum Z verification test
This test checks that the needle does not collide with the bottles on the rack tray. Select the rack type (reagent,
paediatric, 30 mm or 15 mm), the position of the rack on the tray and the position of the bottle or well on the rack.
Press the Start button to move to the selected position and check if the needle collides with the bottle or well or