Maintenance
Figure 5-2: Removing Fuse Cap and Fuse from Holder
5.5 System Self Diagnostic Test
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:
Teledyne Analytical Instruments
RUNNING DIAGNOSTIC
Testing Preamp — 83
Power: OK Analog: OK
Preamp: 3
Press Any Key
To Continue...
Model 3020T
62