Teledyne 3000ZA - Trace oxygen analyzer - Manual (Page 66)

Maintenance 3000ZA
Teledyne Analytical Instruments 54
2. To change between American and European fuses, remove
the single retaining screw, flip Fuse Block over 180 degrees,
and replace screw.
3. Replace fuse as shown in Figure 5-3.
4. Reassemble Housing as shown in Figure 5-2.
American Fuses European Fuses
Figure 5-3: Installing Fuses
5.4 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
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