No Response To Sample - Teledyne 200A Instruction Manual

Teledyne API Model 200A NO

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.
2. Confirm general operation of analyzer.
A. Check for AC Power, Section 9.2.1.
B. Do flow checks, Section 9.2.2.
C. Confirm that sample gas contains NO or NO
3. Check instrument electronics.
A. Do ELEC TEST procedure in DIAGNOSTIC menu Section 9.1.3.2.
B. 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.
4. Check ozone generator subsystem. Do diagnostic test of ozone generator subsystem, see
Section 9.3.6.
5. Check for disconnected electrical cables to sensor module.
Analyzer Instruction Manual, 02246, Rev. F1
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