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Percent Paramagnetic Oxygen Analyzer
Figure 5-2: Removing Fuse Cap and Fuse from Holder
2. Replace fuse by reversing process in step 1.
5.5
Use the DOWN/UP control to scroll through the MAIN MENU to
SELF-TEST. The screen will follow the running of the diagnostic.
During preamp testing there is a countdown in the lower right corner of
the screen. When the testing is complete, the results are displayed.
The module is functioning properly if it is followed by OK. A number
indicates a problem in a specific area of the instrument. Refer to Table 5-1
for number-code information. The results screen alternates for a time with:
The following failure codes apply:
System Self Diagnostic Test
RUNNING DIAGNOSTIC
Testing Preamp — 83
Power: OK Analog: OK
Preamp: 3
Press Any Key
To Continue...
Table 5-1: Self Test Failure Codes
Power
0
OK
1
5 V Failure
2
15 V Failure
3
Both Failed
Teledyne Analytical Instruments
Maintenance 5
5-3
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