Grating Missing; No Heater Current - Agilent Technologies 1220 Infinity II LC User Manual

10
Error Information
VWD Detector Error Messages

Grating Missing

Error ID: 7819
The grating motor is not detected.
Probable cause
1
2

No heater current

Error ID: 7453
The lamp heater current in the detector is missing. During lamp ignition, the
processor monitors the heater current. If the current does not rise above the
lower limit within 1, the error message is generated.
Probable cause
1
2
3
4
5
6
232
Grating motor is not connected.
Cable/connector defective.
Lamp disconnected.
Ignition started without the top foam in
place.
Fan not running (permitting lamp on).
Defective main board.
Defective or non-Agilent lamp.
Defective power supply.
Suggested actions
Please contact your Agilent service
representative.
Please contact your Agilent service
representative.
Suggested actions
Ensure the lamp is connected.
Please contact your Agilent service
representative.
Please contact your Agilent service
representative.
Please contact your Agilent service
representative.
Exchange the lamp.
Please contact your Agilent service
representative.
1220 Infinity II LC System User Manual