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Teledyne 3000MB - Paramagnetic oxygen analyzer User Manual

Page 54

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5 Maintenance

Model 3000MB

5-2

Teledyne Analytical Instruments

5.2

System 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 5.2: Self-Test Failure Codes

Power

0 OK

1 5V Failure

2 15V Failure

3 Both Failed

Analog

0 OK

1 DAC A (0-1V Concentration)

2 DAC B (0-1V Range ID)

3 Both Failed

Preamp

0 OK

1 Zero too High

2 Amplifier dosen't match test input

3 Both Failed

5.3 Major Internal Components

The paramagnetic cell, and other internal components are
accessed by opening the front door, and unlatching and swinging
open the front panel, as described earlier.

Warnings: See warnings on the title page of this

manual for details.