User guide

Chapter 7: Troubleshooting
Product Service 1-800-522-7658
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Other corrective actions for potential problems are as follows:
PROBLEM CAUSE CORRECTIVE ACTION
MOTOR ERROR
Defective motor Replace motor.
Hall effect sensor failure Replace sensor.
Wire failure Replace wire.
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.
Liquid in glass trap Empty trap
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.
Unit starts and shuts off
Latch optical sensor
improperly calibrated
Unplug power cord. Wait 10 seconds. Plug
in power cord