Instruction Manual
K SERIES Cryostorage System
IM: CryoCeK
Revision: 02
Approved by: CB
Page
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Appendix H - ALARMS AND EVENTS
This is a summary of the possible alarms and events that can be reported by the liquid nitrogen level
control system. The Alarm/Event code is a number which is inserted into the data log to identify the
nature of the alarm condition or the event.
Printed/Displayed Text
Alarm/Event Code (hex)
*** HIGH TEMPERATURE ***
01
*** LID OPEN ***
02
*** LEVEL EXTRA LOW ***
03
*** LEVEL EXTRA HIGH ***
04
*** SENSOR SHORT (EXTRA LOW) ***
05
*** SENSOR SHORT (NORMAL) ***
06
*** SENSOR SHORT (HIGH) ***
07
*** SENSOR SHORT (EXTRA HIGH) ***
08
*** SENSOR OPEN (EXTRA LOW) ***
09
*** SENSOR OPEN (NORMAL) ***
0A
*** SENSOR OPEN (HIGH) ***
0B
*** SENSOR OPEN (EXTRA HIGH) ***
0C
*** NO LN2 SUPPLY (FILL TIMER) ***
0D
*** WARNING - CHECK PRINTER ***
0E
NOTE 1
*** THERMOCOUPLE OPEN ***"
0F
*** EXTERNAL FILL INPUT S/CCT ***
10
*** UNAUTHORISED ACCESS ***
11
*** GAS BYPASS THERMOCOUPLE FAULT ***
12
*** NO LN2 (GAS BYPASS TIMER) ***
13
*** GAS BYPASS FAULT - VALVE OPEN? ***
14
*** REMOTE ALARM ***
18
* LID OPENED *
19
* LID CLOSED *
1A
* FILL START *
1B
* FILL STOP *
1C
* POWER OFF *"
1D
* POWER ON *
1E
* SYSTEM RESET *
1F
* ALARMS CLEARED *
20
* POINTER ERROR *DATA LOG CLEARED *
21
** LID OPENED BY SUPERVISOR **
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