Instruction Manual
K SERIES Cryostorage System
IM: CryoCeK
Revision: 02
Approved by: CB
Page
85
of
87
Alarm Name
Alarm Description Behaviour in
Alarm Condition
Attention
required
Priority Range Default Notes
Open (TC1)
open circuit or
disconnected
reading (4
dashes on
display)
External Fill
Input S/cct
Short cct or polarity
reversal on Ext Fill
line.
Sim Fill and Gas
Bypass disabled
Prompt
High
N/A
15mins Fixed No
adjustment.
Unauthorised
Access
Lid opened without
PIN code entry
No change
Prompt
High
N/A
N/A
Alarm must be
re-set by
supervisor
Gas Bypass
Thermocouple
Fault
Thermocouple is
open circuit or
disconnected
Local gas bypass
will not function
Prompt
High
N/A
N/A
M507CE-I only
No LN2 (Gas
Bypass Timer)
Liquid not detected
at vent valve within
pre-set time limit.
No Fill until liquid
detected.
Continue venting
Prompt
High
0-
60min
30 mins M507CE-I only
Gas Bypass
fault -Valve
Open?
Liquid still detected
at vent valve after
pre-set time.
Vent valve stuck
open?
Immediate
High
0-
15min
5 mins M507CE-I only
General Alarm
>20 Intermittent
alarms in 24hr
period
No Change
Prompt
High
N/A
N/A
Alarms which
persist for <
Remote timer
setting could go
undetected
without this.
High
Temperature
(TC2)
TC2 Higher than
pre-set temperature
No change
Prompt
High
-80 to
-175°C
-130°C
Thermocouple
Open(TC2)
Thermocouple 2 is
open circuit or
disconnected
Bad temperature
reading (4
dashes on
display)
Prompt
High
N/A
N/A
Remote Alarm
Relay released
within pre-set time
of first alarm
No change
Prompt
High
0-
60min
30 mins Defaults to 5
mins max in
case of Ex High
Alarm.