Specifications

PCA
®
3
99
Stack or Air temperature channel is measuring temperature
outside the range of -4 to 212 °F at startup. Make sure that the
Stack and Air thermocouples are sampling ambient room air
within the temperature range at startup. Message will indicate
which channel(s) are in error.
Pressure sensor is measuring pressure outside the range of +/ - 3
inches of water column at startup. Ensure that the analyzer is
sampling atmospheric pressure and restart.
The analyzer was turned on with the probe sampling fl ue gas.
Move the probe to fresh air and restart the analyzer.
7.4 Diagnostics and Status Screens
The DIAGNOSTICS menu provides information regarding the operation of
the analyzer. Information includes the following:
• Time Meters - Displays the run time
of the analyzer, sample pump and
purge pump in hours of operation.
• Main Diagnostics - Lists the
current status of the Stack and Air
Thermocouple channels, Reference
Temperature channel, Pressure
channel, and Battery.
• O
2
Sensor Life - Displays the
approximate remaining life of the Oxygen sensor.
• B-Smart Sensors - Displays the current status of all B-Smart
sensors installed.
• Fresh Air Diagnostics - Fresh air diagnostics will cycle the
instrument through the 60 second warm-up to check on the status
of all sensors. The probe must be in fresh air to perform a valid
check.