Technical data

1100 Series DAD and MWD Reference Manual 87
Troubleshooting and Test Functions 3
Test Failed
Probable Causes
• Absorbing solvent or air bubble in flow cell.
• Incorrect calibration
• Dirty or contaminated flow cell.
• Dirty or contaminated optical components (achromat, windows).
• Old or non-Agilent lamp.
Suggested Actions
✔ Ensure the flow cell is filled with water.
✔ Recalibrate (see “Wavelength Recalibration” on page 84) and repeat the
test.
✔ Run the cell test (see “Cell Test” on page 90). If the test fails, exchange the
flow cell windows.
✔ Clean optical components with alcohol and lint-free cloth.
✔ Exchange the UV lamp.
Figure 22 Holmium Oxide Test Results