5 Maintenance
Figure 5-3: Removing Fuse Cap and Fuse from Holder
2. Replace fuse by reversing process in step 1.
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
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:
5-8
Teledyne Analytical Instruments
Model 3020T
. A number