Gilson MyPipetman, Manual

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TROUBLESHOOTING
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MyPIPETMAN®
Chapter 5
TROUBLESHOOTING
A quick inspection of the pipette may help you detect a potential problem.
NOTE
You may download the Two Minute Inspection Poster LT800520 from the Gilson website
(
www.gilson.com
), which shows how to perform a quick diagnosis of your pipette.
WARNING
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 ). Please use the included safety bag to return the pipette to your local
Gilson-authorized Service Center ( Click here to find your Gilson Service Center ).
Troubleshooting Table
The following table may help you identify and correct the potential problem you might encounter.
NOTE
Please make sure the tips are correctly fitted. Refer to Fitting the Tips .
For single channel and multichannel models
Symptom Possible Cause Action Model*
Pipette is leaking
sample
Damaged tip holder Replace the tip holder S
Worn O-ring or seal Replace both parts and lubricate S
Pipette will not
aspirate
Worn O-ring Replace O-Ring and seal and lubricate S
Damaged tip holder Replace the tip holder S
Connecting nut is loose Tighten connecting nut S+M
Damaged or corroded piston Return pipette to supplier S
Improper repair or assembly Refer to MAINTENANCE S
Pipetted volume is
inaccurate
Improper repair or assembly Refer to MAINTENANCE S
Unscrew tip holder Tighten connecting nut S
Connecting nut is loose Tighten connecting nut S+M
Pipette is not precise
Tip holder is loose Tighten connecting nut S
Connecting nut is loose Tighten connecting nut S+M
Incorrect operator technique Operator training S+M
Damaged or corroded piston(s) Return pipette to supplier S
Damaged tip holder(s) Replace the tip holder(s) S
Worn O-ring or seal Replace both parts and lubricate S
Low quality tips Use PIPETMAN DIAMOND Tips S+M
Damaged tip holder(s)
Replace the tip holder(s) for single channel
model. Contact your local Gilson Service
Center for multichannel model
S+M
Damaged tip ejector adapter Damaged tip ejector adapter S+M
Damaged ejector Replace the tip ejector S+M
Dirty tip holder
Clean the tip holder with isopropanol or
ethanol
S+M
The tip ejector is loose Assemble the tip ejector properly S
The ejector lock is misaligned Align the ejector lock S
Pipetting seize up Piston needs lubricant Lubricate piston assembly S
S = Single Channel
M = Multichannel
NOTE
If you cannot solve the problem, contact your local Gilson-authorized Service Center.