Teledyne 3000TA - General purpose trace oxygen analyzer - Manual (Page 60)

5 Maintenance Model 3000TA
5-6 Teledyne Analytical Instruments
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
Preamp
0 OK
1 Zero too high
2 Amplifier output doesn't match test input
3 Both Failed