Labconco CentriVap Complete Vacuum Concentrator 73150 Series - Manual (Page 29)

Chapter 7: Troubleshooting
Product Service 1-800-522-7658 25
Original instructions
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.
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.