Teledyne 3010TB - Split architecture trace oxygen analyzer - Manual (Page 87)

Oxygen Analyzer Part II: Analysis Unit
Part II: 5-7
Teledyne Analytical Instruments
5.3 Fuse Replacement
The 3010T Analysis Unit requires two 5 x 20 mm, 1.6 A, T type (Slow
Blow) fuses. The fuses are located inside the explosion proof housing on the
Electrical Connector Panel, as shown in Figure 5-3. To replace a fuse:
1. Disconnect the Unit from its power source.
2. Place a small screwdriver in the notch in the fuse holder cap,
push in, and rotate 1/4 turn. The cap will pop out a few
millimeters. Pull out the fuse holder cap and fuse, as shown in
Figure 5-3.
Figure 5-3: Removing Fuse Cap and Fuse from Holder
2. Replace fuse by reversing process in step 1.
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 Diagnostic, and
press Enter .
4. Observe the error-code readings on the VFD Display screen, and
check Table 5-1, below, to interpret the codes.
Table 5-1: Self Test Failure Codes
Power
0 OK
1 5 V Failure
2 15 V Failure
3 Both Failed