Teledyne 2010A - Split architecture thermal conductivity analyzer - Manual (Page 99)

Thermal Conductivity Analyzer Part II: Analysis Unit
Teledyne Analytical Instruments Part II: 4-3
3. Replace fuse by reversing process in step 1.
4.4 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 .
4. Observe the error-code readings on the VFD Display screen, and
check Table 4-1, below, to interpret the codes.
Table 4-1: 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