Chapter 7: Troubleshooting
Product Service 1-800-522-7658
Other corrective actions for potential problems are as follows:
Unit not connected to
electrical power
Connect unit to proper electrical
receptacle.
Correct electrical problem and reset circuit
breaker by pressing button.
Sample tubes not located
symmetrically in rotor
Vent hose exhausting
into lab area
Redirect hose to fume hood.
Evaporation rate is
reduced
Remove obstruction or replace hose.
Leaks in lines or
connectors or gasket
Foreign material on lid
gasket
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.
Hold lid down until vacuum is initiated.