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16.2 Other problems - solutions
Problem
Liquid over piston unit
Visible air bubbles in glass cylinder
Inaccurate dispensing volume
Errenous values on display
Reason
- Damaged seal lip on piston unit
- Unit not vented
- Suction hose or union not loose,
deformed
- Piston unit seal lip damaged
- Ejection unit loose or damaged
- Unit error
Solution
- Replace piston unit.
- Vent unit.
- Tighten suction hose firmly.
Change original suction hose.
- Replace complete piston unit.
- Mount ejection unit correctly.
- Reset unit to default settings using
the button in the "Main menu" item .
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