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Thermal Conductivity Analyzer
5.1
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
5.2
Use UP/DOWN key to enter the SELF-TESY function.
The following failure codes apply:
Maintenance
Routine Maintenance
MANUAL.
System Self Diagnostic Test
Table 5-1: Self Test Failure Codes
Power
0
OK
1
5 V Failure
2
15 V Failure
3
Both Failed
Analog
0
OK
1
DAC A (0–1 V Concentration)
2
DAC B (0–1 V Range ID)
3
Both Failed
Preamp
0
OK
1
Zero too high
Teledyne Analytical Instruments
Maintenance 5
5-1
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