Labconco CentriVap micro IR Vacuum Concentrators 77010 Series - Manual (Page 25)

Chapter 7: Troubleshooting
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PROBLEM CAUSE CORRECTIVE ACTION
Evaporation rate is
reduced (continued) Obstruction in hose Remove obstruction or replace hose.
Lack of adequate vacuum See below.
Temp set point too low Increase temperature set point.
No vacuum/poor vacuum Liquid in glass trap Empty trap.
Leaks in lines or
connectors or gasket Locate and repair.
Foreign material on lid
gasket Clean gasket and lid.