12. Troubleshooting
Trouble
Suction capacity
impaired
Pipette drips
Pipette not held
properly
Compressed
suction bellows
(1) take in air
automatically
Note: If recommendations in the Troubleshooting do not resolve
current problems, contact your supplier.
32
Possible Cause
– membrane filter (5) dirty
or
– valve unit (3) damaged
– pipette not inserted far
enough or
– membrane filter (5) not
properly positioned or
– valve unit (3) damaged
– adapter (6)
damaged
– suction (1) bellows
or
– valve unit (3) damaged
Action to be taken
– replace membrane
filter (5)
– replace valve unit (3)
– carefully push pipet
further into securing
sleeve or
– insert membrane filter
(5) or
– replace valve unit (3)
– replace adapter (6)
– replace suction
bellows (1) or
– replace the valve unit
(3)