Applied Biosystems 3500 - Page 256

Symptom
Possible cause Action
Polymer delivery pump (PDP) is
extremely noisy and vibrating while
running any wizard
1
2
Figure 34 Buffer-pin valve lever (yoke)
1
Yoke
2
Buffer-pin valve
Polymer is not pumping properly -
wizard fails - filling array
Check Valve is clogged
Crystals present in polymer delivery
pump path
Run the Wash Pump and Channels
wizard.
See “Flush the water trap (pump
trap)“ on page 238 and “Wash the
pump chamber and channels“ on
page 237.
If the problem persists, contact
Thermo Fisher Scientific.
1
2
Figure 35 Pump chamber and valve fitting
1
Debris in chamber
2
Check valve fitting
Appendix A Troubleshoot
Instrument troubleshooting
A
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3500/3500xL Genetic Analyzer User Guide—Data Collection Software v3.1