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Product Service: Domestic 1-800-522-7658, International 816-333-8811
Chapter 4: Using Your Freeze Dryer
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.
4.
Service Vacuum Pump –
The vacuum pump
normally plugs into the vacuum pump
receptacle on the back of the freeze dryer.
When the freeze dryer has accumulated a total
of 1000 operating hours, the alarm indicator
will flash. Press MENU to display the alarm
“CHANGE VACUUM PUMP OIL.” Pressing
MENU multiple times will identify other
alarms if they have occurred. This alarm can
be cancelled by pressing MENU until the
display says “CHANGE VACUUM PUMP
OIL” and then pressing VACUUM button and
holding until the message disappears. This will
reset the 1000 hour timer. It may be necessary
to service the vacuum pump more frequently
than every 1000 hours depending on the
operation of the freeze dryer. The pump oil
should be regularly monitored to verify that it
is clean.
Shut Down
When a sufficient amount of condensate
accumulates on the collector chamber walls, the
