Teledyne 3010TAC - Split architecture trace oxygen analyzer (EU - CENELEC) - Manual (Page 80)

4 Maintenance Model 3010TAC
4-4: Part II Teledyne Analytical Instruments
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