4. Operation
CryoPod Carrier
System Alarms
Part Number: 257437 Rev. A
Alarm 2: T
CRITICAL
Default Settings for Alarm 2
Default Alarm 2:
-140°C
Sound:
Triple Beep Sequence every 10 seconds. If the sound is disabled for either alarm, both will be
disabled.
LCD Screen
: ALARM 2 appears on the LCD screen while the back light flashes red every 2 seconds.
Reset the Alarm:
The Alarm will reset once the system drops to 5°C below the TCRITICAL level.
To Silence the audible alarm and stop the alarm back light:
Short press
and the "crossed
bell" symbol will appear on the LCD screen.
NOTE:
Unless the operator short presses button
to silence the alarm, the back
light will flash red and the sound will continue for twenty minutes before turning off.
Alarm 2 is activated when the cryogenic chamber temperature exceeds TCRITICAL to alert the
operator that LN
₂
charge is now
insufficient
to maintain samples below critical biospecimen
temperature. Biospecimens should be transferred immediately to appropriate cryogenic storage.
NOTE:
If the TDISPLAY warms above the TCRITICAL and then lowers to below
TCRITICAL, the Alarm 2 sound and back light will continue until the system reaches
the TSTANDBY temperature.
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Copyright © 2016, Brooks Automation, Inc.
