Teledyne Trace Oxygen Analyzer System Self Diagnostic Test, Major Internal Components

5 Maintenance Model 3000TA-XL-EU

5.4System Self Diagnostic Test

1.Press the System button to enter the system mode.

2.Use the < > arrow keys to move to More, and press Enter.

3.Use the < > arrow keys to move to Self-Test, and press Enter. The following failure codes apply:

Table 5-1: Self Test Failure Codes

Power

0OK

15 V Failure

215 V Failure

3Both Failed

Analog

0OK

1DAC A (0–1 V Concentration)

2DAC B (0–1 V Range ID)

3Both Failed

Preamp

0OK

1Zero too high

2Amplifier output doesn't match test input

3Both Failed

5.5Major Internal Components

The Micro-Fuel cell is accessed by unlatching and swinging open the front panel, as described earlier. Other internal components are accessed by removing the rear panel and sliding out the entire chassis. See Figure 5-4, below. The gas piping is illustrated in Figure 2-4, and the major electronic components locations are shown in Figure 2-5, in chapter 2.

WARNING: SEE WARNINGS ON THE TITLE PAGE OF THIS MANUAL.

The 3000TA-XL contains the following major components:

•Analysis Section

Micro Fuel Cell (B-2CXL)

Stainless steel cell block

Sample system

5-6 Teledyne Analytical Instruments