Bayer HealthCare RapidPoint 400 Series Service Manual page 248

11. Look for obstructions and listen for any unusual noises that may
indicate a problem with the valve.
Refer to the following figure, which shows how the AQC valve
NOTE:
appears when the position number on the display is 2. The AQC valve is
at fluid position 1 and is in alignment with the probe hole.
AQC Valve at Fluid Position 1
12. Touch
Change
The system moves the valve to the next position.
13. Verify alignment by observing the probe hole.
248
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Rev. C