Labconco RapidVap Vacuum, N2 and N2/48 Evaporation Systems 7910015 - Manual (Page 55)

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Chapter 7: Troubleshooting
Product Service Domestic 1-800-522-7658, International 816-333-8811
PROBLEM CAUSE CORRECTIVE ACTION
Sample in
bottom of
chamber Gas pressure too high
(RapidVap N
2
)
Reduce pressure.
Vortex speed too high Reduce speed.
Condensation forming
inside lid (RapidVap
Vacuum) Install lid heater. See page 36.
Poor recovery
rates Sample going to
dryness (RapidVap N
2
)
Program RapidVap N
2
to prevent dryness.
Sample sloshing out of
tube Decrease vortex speed.
Heat setting is too high Decrease heat.
Evaporation
rate is reduced Gas supply depleted
(RapidVap N
2
)
Replenish gas.
Heater inoperable Contact Labconco.
Vacuum pump failure
(RapidVap Vacuum) Check pump.
No vacuum
poor vacuum
(RapidVap
Vacuum) Pump not on Turn on pump.
Control valve open Check control valve.
Leaks in lines or
connectors Locate and repair.
Foreign material on lid
gasket Clean gasket and lid.
Vacuum pump oil low Add oil.
Excessive
contamination in
vacuum pump oil Replace oil.
Pump not connected to
RapidVap Connect hose and power cord.