5 Maintenance
Model 3000MA
5-2
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 5-2.
4. Reassemble Housing as shown in Figure 5-1.
American Fuses
European Fuses
Figure 5-2: Installing Fuses
5.3
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
