Table of Contents
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Refer to the following if your Freeze Dryer fails to
operate properly. If the suggested corrective actions do
not solve your problem, contact Labconco for
additional assistance.
PROBLEM
Unit will not operate
No vacuum
Poor vacuum (greater
-3
than 500 x 10
Product Service: Domestic 1-800-522-7658, International 816-333-8811
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CAUSE
Unit not connected to
electrical power
Pump not on
Pump not connected to
unit
Drain hose plug not
installed
Sample valve open
Break or opening in
vacuum lines or
connections
Vacuum pump oil level
low
mBar)
Excessive moisture in
vacuum pump oil
Vacuum pump gas ballast
valve open
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CORRECTIVE ACTION
Connect unit to proper electrical power
Turn on pump
Connect pump to unit
Install drain hose plug
Close sample valve
Locate and repair
Add vacuum pump oil
Change vacuum pump oil
Close vacuum pump gas ballast valve
35
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