22 | Operation
Thermo Fisher Scientific CryoExtra CE8100 Series
Figure 8. Sample event log download
Once the event log has been downloaded, it can be plotted to
facilitate analysis.
Figure 9. Sample Plotted Event Log
Record
Unit ID
Date
Time
Temp A
Temp B
LN
2
Level
LN
2
Usage
Event
Codes
1
200
12/15/10
9:00
-186.7
-194.8
6.1
0.5
AH
2
200
12/15/10
5:00
-191.4
-195.8
6.3
0.5
3
200
12/15/10
1:00
-191.4
-195.8
6.5
0.5
4
200
12/15/10
00:00
-191.4
-195.8
6.6
0.5
ZO
5
200
12/14/10
21:00
-191.4
-195.8
6.6
0.5
6
200
12/14/10
17:00
-191.4
-195.8
6.8
0.5
7
200
12/14/10
9:00
-191.4
-195.8
6.8
0.5
8
200
12/14/10
7:15
-191.5
-195.8
7.0
0.0
9
200
12/14/10
6:32
-191.5
-195.8
5.0
0.0
F
10
200
12/14/10
5:00
-191.5
-195.8
5.3
0.0
Table 4. Controller Event Log Codes
Event Code
Description
AM
Alarm Mute
AH
Temp A High Alarm
AL
Temp A Low Alarm
BB
Running on battery power
BH
Temp B High Alarm
BL
Temp B Low Alarm
BP
Bypass Sensor Open
BV
Low Battery Voltage Alarm
BY
Hot Gas Bypassing
CA
Temp A Calibration Alarm
CB
Temp B Calibration Alarm
CG
Bypass Sensor Calibration Alarm
F
Filling
FD
Fill Disabled
FT
Fill Time Alarm
HG
Hot Gas Bypass Time Alarm
LH
High Level Alarm
LL
Low Level Alarm
LO
Lid Open Alarm
Event Code
Description
PF
Power Failure
SC
Stuck Closed Alarm
SO
Stuck Open Alarm
US
Liquid Usage Alarm
UW
Usage Warning
ZO
Level Zeroing
Table 4. Controller Event Log Codes
