Test Failed - Agilent Technologies 1260 User Manual

Running the Test with Instant Pilot
The test can be started via the command line.
1 To start the test
2 To stop the test

Test Failed

D/A Converter (DAC) Test Evaluation
The noise on the step should be less than 3 µV.
Probable cause
1
2
Agilent 1260 Infinity DAD and MWD User Manual
Figure 75 D/A Converter (DAC) Test – Example of Integrator Plot
TEST: DAC 1
RA 00000 TEST:DAC 1
Reply:
TEST:DAC 0
RA 00000 TEST:DAC 0
Reply:
Bad cable or grounding problem between
detector and external device.
Defective detector main board.
D/A Converter (DAC) Test
Suggested actions
Check or replace the cable.
Exchange the detector main board.
9
Test Functions
189