Wavelength Test Failed - Agilent Technologies 1220 Infinity II LC User Manual

10
Error Information
VWD Detector Error Messages
Probable cause
3
4

Wavelength test failed

Error ID: 7890
The automatic wavelength check after lamp ignition has failed. When the lamp
is switched on, the detector waits 1 min to warm-up the lamp. Then a check of
the deuterium emission line (656 nm) via the reference diode is performed. If
the emission line is more than 3 nm away from 656 nm, the error message is
generated.
Probable cause
1
234
Defective power supply.
Defective main board.
Calibration incorrect.
Suggested actions
Please contact your Agilent service
representative.
Please contact your Agilent service
representative.
Suggested actions
Recalibrate the detector.
1220 Infinity II LC System User Manual