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A quick inspection of the pipette may help you to detect a potential problem.
NOTE
WARNING
Troubleshooting Table
The following table may help you to identify and correct the potential problem you might encounter.
For single channel and multichannel
SYMPTOM
Pipette is leaking
sample
Pipette won't
aspirate
Pipette is
inaccurate
Pipette is not
precise
Tips fall off or do
not fit correctly
Pipette seizes up
*S = Single Channel
M = Multichannel
13
TROUBLESHOOTING
TROUBLESHOOTING
You may download the Two Minute Inspection Poster from the Gilson website
(www.gilson.com), which shows how to perform a quick diagnosis of your pipette.
Before returning any pipette to your local Gilson Service Center, ensure that it is
completely free of chemical, biological, or radioactive contamination. Refer to
CLEANING AND DECONTAMINATION
to return the pipette to your local Gilson Service Center.
POSSIBLE CAUSE
Damaged tip holder
Worn O-ring or seal
Worn O-ring
Damaged tip holder
Connecting nut is loose
Damaged or corroded
piston
Improper repair or assembly Refer to page 16 -
Improper repair or assembly Refer to page 16 -
Unscrew tip holder
Connecting nut is loose
Tip holder is loose
Connecting nut is loose
Incorrect operator
technique
Damaged or corroded
piston(s)
Damaged tip holder(s)
Worn O-ring or seal
Low quality tips
Damaged tip holder(s)
Damaged tip ejector
adapter
Damaged ejector
Dirty tip holder
The tip ejector is loose
The ejector lock is
misaligned
Piston needs lubricant
|
MyPIPETMAN®
Chapter 5
on page 14. Please use the included safety bag
ACTION
Replace the tip holder
Replace both parts and lubricate
Replace O-Ring and seal and lubricate
Replace the tip holder
Tighten connecting nut
Return pipette to supplier
MAINTENANCE
MAINTENANCE
Tighten connecting nut
Tighten connecting nut
Tighten connecting nut
Tighten connecting nut
Operator training
Return pipette to supplier
Replace the tip holder(s)
Replace both parts and lubricate
Use PIPETMAN DIAMOND Tips
Replace the tip holder(s) for single
channel model
Contact your local Gilson Service
Center for multichannel model
Replace the tip ejector adapter
Replace the tip ejector
Clean the tip holder with
isopropanol or ethanol
Assemble the tip ejector properly
Align the ejector lock
Lubricate piston assembly
MODEL*
S
S
S
S
S+M
S
S
S
S
S+M
S
S+M
S+M
S
S
S
S+M
S+M
S+M
S+M
S+M
S
S
S
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