Chapter 7: Troubleshooting
Product Service 1-800-522-7658
43
Original instructions
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.
