LumaSense Technologies INNOVA 1303 - Manual (Page 45)

Chapter 3
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BE1085-14
1303 Multipoint Sampler and Doser LumaSense Technologies A/S
Page 45 of 60
Sampling System Flag
Is set if, during the self-test specified in test 3 of the Check_System
job (
section 3.8.4 ) the pressure across the pump is less than 40kPa.
This indicates that either the sampling pump is not working correctly,
or that the sampler system is not sufficiently air-tight. This flag is reset
by the next Check_System job (if the results of the check are satisfac-
tory), or by resetting the 1303, or switching the 1303 off/on. If the er-
ror is persistent, have the 1303 serviced.
Dosing Filter Flag
Is set with the Calibrate_Nozzle job ( section 3.4 ) if the rate of pres-
sure-increase in the doser system during a calibration is too slow. This
indicates either a blocked dosing-filter or the tracer-gas supply bottle is
empty. If the tracer-gas supply bottle is empty, replace it with a full
bottle. If the tracer-gas bottle is not empty, the dosing-filter is blocked,
and the 1303 must be serviced. This warning can also be caused by the
regulator on the dose-gas bottle reacting too slowly. The flag is reset
by the next calibration, or by resetting the 1303, or switching the 1303
off/on.
Dosing Nozzle Flag
Is set with the Calibrate_Nozzle job ( section 3.4 ) if the newly-
calculated nozzle area is 2-times larger or smaller than the existing
largest and smallest nozzle. This indicates that the calibration proce-
dure was not performed correctly. The calibration procedure must then
be repeated. This flag is also set when the time specified by the dosing
time-out set-up parameter has been exceeded ( section 3.3.1 ). The flag
is reset by the next calibration, or by resetting the 1303, or switching
the 1303 off/on.
Dosing Pump Flag
Is set if the pressure generated by the carrier-air pump is less than
10kPa above ambient pressure. This indicates that the carrier-air pump
is not working correctly. The flag is reset when the pressure generated
by the pump is over 15kPa above ambient pressure, or by resetting the
1303, or switching the 1303 off/on. If the error persists, have the 1303
serviced.
Calibration Flag
Is set when a dosing procedure is attempted through a dosing channel
which has not been calibrated, or if no characteristic gas-constant (or
molecular weight) has been read-out to the 1303 before starting the
dosing procedure. A non-calibrated dosing channel cannot be used for
dosing. Dosing procedures cannot be performed without reading-in a
characteristic gas-constant. The flag is reset by calibrating the dosing
channel (
section 3.4 ) or reading in the characteristic gas-constant for
the tracer-gas being used ( section 3.3.2 ). Resetting the 1303 or
switching the 1303 off/on also resets the flag.