Labconco CentriVap DNA Systems - Page 30

Chapter 7: Troubleshooting
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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