Microlab
®
STAR Service Manual
10-7
Error Handling (continued)
Incident Corrective Action
Pipetting Arm Step Loss 1. Ensure no crash has caused the Pipetting Arm
to lose steps, e.g. a crash involving Pipetting
Channels and Carriers.
2. Ensure the Pipetting Arm Cover is not touching
the Front guide Bar anywhere.
3. Uncover Deck Panels see section 7.4.2 Deck
Panels on page 7-7.
4. Check X-Motor and Belt Tensions.
5. Especially the Belt from the primary Drive must
not be damaged. Check for signs of anything
worn out, broken inlays, teeth, etc.
6. Ensure proper collision-free movement by
carefully pushing the Pipetting Arm by hand all
the way from the left to the right.
7. Ensure the X-Position Reader is not touching
the Magnetic band anywhere, see section 7.6
Pipetting Arm X-Drive on page 7-23.
8. Check the gap between Reader and Magnetic
Band.
9. Ensure the X-Flag (black sheet-metal cover) is
not loose; tighten the screws if necessary.
10. Check tightness of fit between X drive belt and
Pipetting Arm (check for loose screws).
11. Check Cables to pipetting Arm for any signs of
damage or disconnection.
12. By using Service Software; Check Init Sensor
movement, check voltage, check Hardware
positioning counter.
13. Perform a Pipetting Arm Auto-adjustment
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