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Product Service: Domestic 1-800-522-7658, International 816-333-8811
Chapter 4: Using Your Freeze Dryer
6. Ampules may be flame sealed while connected
to a valve by using a sealing torch. Care must
be taken not to burn the valve. An insulation
material placed between the valve and the torch
is recommended.
Alarms and Informational
Messages
If any of the following events occur during a run,
the alarm LED will illuminate to notify the user.
1.
Power Interruption –
If power to the
electrical control system is interrupted either by
a power failure or by turning the main power
switch off during a freeze dry process, the
alarm will be set. When power is restored, the
Freeze Dryer will continue to run and the alarm
indicator will flash. The display will continue
to show the operating parameters of the system.
Press MENU to display the alarm “POWER
FAIL.” Pressing MENU multiple times will
identify other alarms if they have occurred.
The alarm indicator can be cancelled by
turning the REFRIGERATION off.
2.
Power Line Voltage Out of Range –
If the
voltage to the Freeze Dryer drops or raises
beyond a safe level, the alarm indicator will
FLASH. Press MENU to display the alarm
“LINE VOLTAGE ERROR.” Pressing MENU
multiple times will identify other alarms if they
have occurred. This alarm self cancels when
proper voltage is restored.
3.
Temperature Out of Range –
If the
temperature of the collector rises above –40°C,
the alarm indicator will flash. Press MENU to
display the alarm “COLLECTOR
TEMPERATURE.” Pressing MENU multiple
times will identify other alarms if they have
occurred. The alarm indicator can be cancelled
by turning the REFRIGERATION off.
