ATI Model F12/D Gas Transmitter Part 4 – Operation
47
O&M Manual (Rev-H)
Figure 60. Auto-test Status Display Sequence
Time = 0 & Reading < PassVal
PASS displayed for 10
minutes to allow reading
to return to normal.
Retry once every minute for up
to1 hour and 30 minutes.
Update next Auto-test date
Resume normal operation
Auto-test
►GENERATE 05:00
Reading= 0PPM
PassVal= 5PPM
Auto-test
►FAIL 1/3 60:00
Reading= 0PPM
Auto-test
►FAIL 2/3 60:00
Reading= 0PPM
Auto-test
►Pass 10:00
Reading= 0PPM
Auto-test
►Fail 3/3 10:00
Reading= 0PPM
►WAIT 01:00
Reading= 0PPM
Trouble alarm active
for 10 minutes
(option)
Time = 0 & Reading < PassVal
Time = 0 & Reading < PassVal
Non-critical start exception
Critical exception detected in any state