MODEL 300 COMBUSTION ANALYZER
Instruction 24-9223 3-13
TABLE 3-2. Optional Error, Warning and Overrange Displays
Left Middle Right
Display Display Display Meaning of Display
LOW BATT Warning – sensor bias battery voltage getting
low. This message is displayed at the conclu-
sion of the calibration cycle, and once every 10
seconds during an efficiency test. The NO
X
and
SO
2
displays may be incorrect.
BATT FAIL Failure – sensor bias batteries are dead. The
NO
X
and SO
2
displays are disabled.
W*NO Warning – NO
X
sensor out of calibration. Four
stars (****) are printed on the NO
X
line of the
printout.
W*SO Warning – SO
2
sensor out of calibration. Four
stars (****) are printed on the SO
2
line of the
printout.
E*NO Error – NO
X
sensor has failed. Four stars
(****) are printed on the NO
X
line of the
printout.
E*SO Error – SO
2
sensor has failed. Four stars (****)
are printed on the SO
2
line of printout.
**** Failure – clock module battery is dead. Print
out will show incorrect time and date values.
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