Trouble Shooting - BrandTech Macro Transferpettor Gebrauchsanleitung

Trouble Shooting

Problem
Pipetted volume too
low/Pipetting key cannot
be pushed fully down to
the end plate.
Pipette leaks.
Air bubbles in the liquid
drawn in.
Liquid above the seal.
Liquid remaining in the
tip.
Possible Cause
The tip has been installed too
far into the tip mount. Piston
rod is loose.
The tip does not fit properly.
Damaged seal.
The liquid was drawn in too
quickly.
The tip does not fit properly.
Damaged seal.
Damaged tip or seal.
Tip not properly seated.
Piston rod is loose.
Damaged seal.
– 22 –
Corrective Action
- Remove the tip (= Transferpettor-cap).
"Changing the Tip", page 12.
- Tighten the piston rod locking device.
"To fit the new piston rod", page 17.
- Attaching the tip, page 13.
- Reinstall the tip (= Transferpettor-cap) and slide it
on again.
"Changing the Tip", page 12.
- Change the seal, page 14.
- Let the pipetting key slide back slowly.
- Reinstall the tip (= Transferpettor-cap) and slide it
on again.
"Changing the Tip", page 12.
- Change the seal, page 14.
- Change tip (= Transferpettor-cap) or seal.
"Changing the Tip", page 12.
"Changing the Seal", page 14.
- Remove the tip (= Transferpettor-cap).
"Changing the Tip", page 12.
- Tighten the piston rod locking device.
"To fit the new piston rod", page 17.
- Fit the tip, page 13.
- Change the seal, page 14.