Teledyne 200A Manuel d'utilisateur télécharger pdf (Page 175)

Teledyne API Model 200A NO

Analyzer Instruction Manual, 02246, Rev. G, DCN 5247

9.2.3 No Response to Sample

1. Confirm correct operation of analog output by performing Analog Output Step Test in

Section 9.1.3.5.

Confirm general operation of analyzer.

Check for AC Power, Section 9.2.1.

Do flow checks, Section 9.2.2.

Confirm that sample gas contains NO or NO

Check instrument electronics.

Do ELEC TEST procedure in DIAGNOSTIC menu Section 9.1.3.2.

Do OPTIC TEST procedure in the DIAGNOSTIC menu Section 9.1.3.3.

If the M200A passes ET and OT, that means the instrument is capable of detecting light

and processing the signal to produce a reading. Therefore, the problem is in the

pneumatics or ozone generator.

Check ozone generator subsystem. Do diagnostic test of ozone generator subsystem, see

Section 9.3.6.

Check for disconnected electrical cables to sensor module.

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Teledyne 200A Manuel d'utilisateur Page 175