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
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
256
3500/3500xL Genetic Analyzer User Guide—Data Collection Software v3.1