Bacharach Flue-Gas Sample Conditioning System Spécifications télécharger pdf (Page 82)

Parts & Service ECA 450

78 Instruction 0024-9400

Symptom

Probable Cause & Remedy

Erratic combustion test screen data.

a. Faulty sensor(s):

- Check that all sensors are

properly installed and their

wiring harnesses are correctly

connected to the analyzer.

Refer to Section 4.4.

- Check sensor calibration per

Section 3.

- Replace any sensor that does

not calibrate, and then

recalibrate.

b. Leak in gas path. Check tightness

of all hose connections on probe, and

tightness of all hose connections

internal to the analyzer.

Sensor does not calibrate properly.

a. Wrong calibration gas or

insufficient flow being applied to

sensor. Ensure that the calibration

setup is correct.

b. Depleted sensor. Replace sensor

and recalibrate.

c. If the NO sensor doesn’t calibrate,

its bias battery may be dead.

Replace bias battery per Section

4.4.2 and recalibrate.

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Bacharach Flue-Gas Sample Conditioning System Spécifications Page 82