Agilent Technologies 1220 Infinity II LC - UV Heater Current

1220 Infinity II LC System User Manual 237
Error Information
10
DAD Detector Error Messages
UV Heater Current
Error ID: 7453
The UV lamp heater current is missing.
During UV lamp ignition, the processor monitors the heater current. If the
current does not rise above the lower limit within one second, the error
message is generated.
Probable cause Suggested actions
1 Lamp too hot. Hot gas discharge lamps may
not ignite as easily as cold lamps.
Switch off the lamp and allow it to cool down
for at least 15 minutes.
2 Lamp disconnected.
Ensure the lamp is connected.
3 Defective UV lamp or non-Agilent lamp.
Exchange the UV lamp.
4 Defective detector main board.
Please contact your Agilent service
representative.
5 Defective power supply.
Please contact your Agilent service
representative.
Probable cause Suggested actions
1 Lamp disconnected.
Ensure the UV lamp is connected.
2 Ignition started without the top foam in
place.
Please contact your Agilent service
representative.
3 Defective UV lamp or non-Agilent lamp.
Exchange the UV lamp.
4 Defective detector main board.
Please contact your Agilent service
representative.
5 Defective power supply.
Please contact your Agilent service
representative.