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Thermal Conductivity Analyzer Part I: Control Unit
Part I 5-1
Teledyne Analytical Instruments
(Continued)
Maintenance
5.1 Routine Maintenance
Aside from normal cleaning and checking for leaks at the gas connec-
tions, routine maintenance is limited to replacing fuses, and recalibration. For
recalibration, see Section 4.4 Calibration.
WARNING: SEE WARNINGS ON THE TITLE PAGE OF THIS
MANUAL.
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 5-1: Self Test Failure Codes
Power
0OK
1 5 V Failure
2 15 V Failure
3 Both Failed
Analog
0OK
1 DAC A (0–1 V Concentration)
2 DAC B (0–1 V Range ID)
3 Both Failed