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Table 1-5 Controlled Atmosphere (CA) Events Recorded in the DataCORDER -- Continued
Event
When Event Occurs
Data
Limits
O
2
Air Calibration
Whenever O
2
Air Cal-
ibration is completed
New calibration value; Result
(pass, fail, or low) Source (key-
pad, communications, or timer)
Last 2 per hour, last
10 per day
O
2
Gas Calibration
Whenever O
2
Gas Cal-
ibration is completed
New calibration value; Result
(pass or fail) Source (keypad,
communications, or timer)
Last 2 per hour, last
10 per day
CO
2
Zero Calibration
Whenever CO
2
Zero Cal-
ibration is completed
New calibration value; Result
(pass or fail, no gas) Source (key-
pad, communications, or timer)
Last 2 per hour, last
10 per day
Lockout Start
Whenever the Tempera-
ture Controller initiates a
lockout of CA operation
Type: normal, or active at mid-
night
First 1 per hour
Lockout End
Whenever the Tempera-
ture Controller enables
CA operation.
NA
Last 1 per hour.
CA Configuration
Change
Any time the CA unit
configuration changes
Configuration variables
Last 2 per hour, last
10 per day
CA Nitrogen Test
Any time a nitrogen test
is completed
N
2
purity values for last low, me-
dium, and high flow tests, and
flags to indicate whether low,
medium and high values are in
range
Last 2 per hour, last
10 per day
CA Service Activity
Any time ‘‘service the fil-
ter’’ hours or compressor
hours expires or is reset,
or the O
2
sensor’s life is
detected to be low, or the
O
2
sensor is detected re-
placed
Filter hours expired; filter hours
reset; compressor hours expired;
compressor hours reset; O
2
sen-
sor life low; O
2
sensor expired;
filter, compressor, and total run
hours
First 1 per hour
CA Software Upgrade
Any time the CA soft-
ware revision changes
New software version
Last 1 per day
CA Controller Replaced
Any time the CA Con-
troller serial number
changes
New serial number
Last 1 per day
Door Lock (CA-DL)
Any time the CA door is
locked by the Controller
NA
Last 1 per hour
Door Unlock (CA-UL)
Any time the CA door is
unlocked by the Control-
ler
NA
Last 1 per hour
Vent Mode Start
(CA-VS)
Any time CA vent mode
is initiated
NA
Last 1 per hour
Vent Mode End
(CA-VE)
Any time CA vent mode
is terminated
NA
Last 1 per hour
