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