Section II Operating Instructions Teledyne API T802 Paramagnetic O2 Analyzer Operation Manual
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5.9. SETUP MORE DIAG: DIAGNOSTICS FUNCTIONS

A series of diagnostic tools is grouped together under the

SETUPMOREDIAG menu. These tools can be used in a variety of

troubleshooting and diagnostic procedures and are referred to in many places of

the maintenance and trouble-shooting sections of this manual.

The various operating modes available under the DIAG menu are:

Table 5-3: Diagnostic Mode (DIAG) Functions
DIAG SUBMENU SUBMENU FUNCTION Front Panel Mode
Indicator
MANUAL
SECTION
SIGNAL I/O
Allows observation of all digital and analog signals in
the instrument. Allows certain digital signals such as
heaters to be toggled ON and OFF. These
parameters are dependent on firmware revision, (see
Appendix A).
DIAG I/O 11.1.3
ANALOG OUTPUT
When entered, the analyzer performs an analog
output step test. This can be used to calibrate a
chart recorder or to test the analog output accuracy.
DIAG AOUT 11.6.9.2
ANALOG I/O
CONFIGURATION
This submenu allows the user to configure the
analyzer’s analog output channels, including
choosing what parameter will be output on each
channel. Instructions that appear here allow
adjustment and calibration of the voltage signals
associated with each output as well as calibration of
the analog to digital converter circuitry on the
motherboard.
DIAG AIO 5.9.3
PRESSURE
CALIBRATION1
This function is used to calibrate the Sample
Pressure sensor. DIAG PCAL 9.4.1
FLOW
CALIBRATION1
This function is used to calibrate the sample gas
flow. DIAG FCAL 9.4.2
TEST CHAN
OUTPUT
Selects one of the available test channel signals to
output over the A4 analog output channel. DIAG TCHN 5.9.6
1 These settings are retained after exiting DIAG mode.
07275B DCN6418