Wavelength Holmium Check Failed; Ignition Failed - Agilent Technologies 1220 Infinity II LC User Manual

Wavelength holmium check failed

Error ID: 7318
The holmium oxide test in the detector has failed. During the holmium test,
the detector moves the holmium filter into the light path, and compares the
measured absorbance maxima of the holmium oxide filter with expected
maxima. If the measured maxima are outside the limits, the error message is
generated.
Probable cause
1

Ignition Failed

Error ID: 7452
The lamp failed to ignite. The processor monitors the lamp current during the
ignition cycle. If the lamp current does not rise above the lower limit within 2
– 5 s, the error message is generated.
Probable cause
1
2
1220 Infinity II LC System User Manual
Misaligned/defective grating assembly.
Lamp disconnected.
Defective or non-Agilent lamp.
Error Information
VWD Detector Error Messages
Suggested actions
• Ensure the flow cell is inserted correctly,
and is free from contamination (cell
windows, buffers, and so on).
• Run the filter-motor test to determine if the
filter motor assembly is defective. If
defective, please contact your Agilent
service representative.
• Run the grating-motor test to determine if
the grating assembly is defective. If
defective, please contact your Agilent
service representative.
Suggested actions
Ensure the lamp is connected.
Exchange the lamp.
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