BRAND Transferpettor micro Instrucciones De Manejo página 48

8 Troubleshooting
8 Troubleshooting
Problem
Pipetted volume too large/
air bubbles in liquid taken
up.
Pipette is dripping.
Operating manual
48
Possible cause
Capillary is not seated
correctly.
Capillary damaged.
Piston rod damaged
(instruments up to 10
µl).
Seal damaged (instru-
ments from 20 µl).
Instrument soiled.
Corrective action
Loosen the union nut, push the capillary as
far as it will go, and tighten the union nut.
See Change capillary, p. 40
Change capillary (see Change capillary,
p. 40 )
Repair instrument (see Repairs, p. 51 )
Change piston rod (see Change piston rod,
p. 42 )
Clean instrument (see Cleaning, p. 39 )
Change seal (see Change seal, p. 45 )
Repair instrument (see Repairs, p. 51 )
Clean instrument (see Cleaning, p. 39 )
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