Labconco CentriVap Refrigerated Centrifugal Concentrators 7310000 Series - Manual (Page 31)

Chapter 7: Troubleshooting
Product Service 1-800-522-7658 27
Other corrective actions for potential problems are as follows:
PROBLEM CAUSE CORRECTIVE ACTION
Unit will not operate Unit not connected to electrical
power Connect unit to proper electrical receptacle.
Circuit breaker blown Correct electrical problem and reset circuit
breaker by pressing button.
Lid open Close lid.
Excessive vibration Sample tubes not located
symmetrically in rotor Reposition sample tubes.
Sample odor in lab Vent hose exhausting into lab
area Redirect hose to fume hood.
Evaporation rate is reduced Heater inoperable Contact Labconco.
Vacuum pump failure Check pump.
Obstruction in hose Remove obstruction or replace hose.
Lack of adequate vacuum See below.
No vacuum/poor vacuum Pump not on Turn on pump.
Control valve open Check control valve.
Leaks in lines or connectors or
gasket Locate and repair.
Foreign material on lid gasket Clean gasket and lid.
Pump is not functioning properly Check pump by locating vacuum gauge closer to
pump and close off rest of system. Check pump
oil for cloudiness or particles and change.
If pump is faulty, seek authorized service or
replace pump.
Cold Trap or Concentrator
gasket is not sealing properly Check gasket for cleanliness. Adjust gasket as
needed.
Cold Trap lid not seated Hold lid down until vacuum is initiated.
Ice formed on Cold Trap lid
sealing surface Defrost and wipe dry.
Secondary Trap Canister not
fitted properly Tighten all connections to and from the
Secondary Trap Canister.
Secondary Trap Insert is spent Replace with new insert.
New Secondary Trap has
moisture in it Run vacuum pump for 24 hours to remove
moisture.