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6 Malfunction – what to do?
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Operating manual
41
6 Malfunction – what to do?
Fault Possible cause What to do
Suction capacity impaired Filter dirty or valve system de-
fective
Replace filter, Replace filter and
clean adapter, p.37 .
Pipette drips Filter not placed correctly or
valve system defective
Insert filter correctly, or replace
valve system; see Replace filter and
clean adapter, p.37 .
Pipette does not hold Silicone adapter damaged Unscrew the lower part of the de-
vice, and replace the silicone
adapter
Suction bellows ventilates
independently
Suction bellows or valve sys-
tem defective
Replace upper screw connection
with suction bellows or valve system
NOTICE
A visual inspection of the device is often sufficient to detect a defective
part. This can then be easily replaced with a spare part. The advantages
of self-repair are obvious: Cost and time savings.
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