Diagnostic Mode - Labconco FreeZone Triad 74000 Series User Manual

The illustration below shows how the sample valve installs on the
chamber.

Diagnostic Mode

In the event that there is a problem with the Triad Freeze Dry System, a
diagnostic mode is available. This mode can be used to diagnose problems by
isolating individual system components to confirm their operation. With the
unit Power Switch OFF, press the  button and turn the Power Switch ON.
The display will show:
DIAGNOSTIC MODE
Press .
The display will show:
LEXSOL PUMP ON
The Lexsol pump will turn on or press .
The display will show:
LEXSOL AND VAC. PUMP ON
The Lexsol pump, vacuum pump and vacuum valve will turn on or press .
The display will show:
REFRIGERATION -- SHELF
Product Service 816-333-8811 or 1-800-522-7658
Chapter 7: Troubleshooting
Figure 5
37