Chapter 7: Troubleshooting
Product Service 816-333-8811 or 1-800-522-7658
Door Adjustment
The following adjustments can be made if the door is not sealing properly
when vacuum is applied.
1. The latch can be adjusted to increase the force
between the door gasket and chamber sealing
surface.
a. Open the door.
b. Using two ½" wrenches, loosen the nuts
securing the latch pawl.
c. Move the latch pawl towards the door to
tighten the latch.
d. Tighten the nuts.
2. The door hinges can be adjusted to move the door in
towards the chamber sealing surface.
a. Removing the four screws that attach the back panel to the
side panel.
b. Close the vacuum release. Remove the knobs from the two
valves on the front.
c. Remove the lower front panel.
d. Remove the one screw on the left side of the control panel.
e. Remove the three screws attaching the right panel to the base
and remove the panel.
f. Turn on the vacuum pump. After the vacuum level reaches
approximately 5mbar, loosen the six screws on the door
hinges. Do not remove the screws.
g. Once the vacuum level reaches approximately 1mbar, tighten
the six screws.
Refrigeration Module Performance
In Max Cold mode under a no-load condition and an ambient temperature of
20°C, the freeze dry system refrigeration system can achieve a shelf
temperature of –75°C or lower within 4 hours.
If any repairs are required on the refrigeration module, please call Labconco.
Repairs should only be undertaken by a competent refrigeration technician or
through an authorized Labconco service agency.
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