Agilent InfinityLab LC Series Diode Array Detectors User Manual 117
7 Error Information
Detector Error Messages
UV Lamp Voltage
Error ID: 7451
The UV lamp anode voltage is missing.
The processor continually monitors the anode voltage across the lamp during
operation. If the anode voltage falls below the lower limit, the error message is
generated.
UV Ignition Failed
Error ID: 7452
The UV lamp failed to ignite.
The processor monitors the UV lamp current during the ignition cycle. If the lamp
current does not rise above the lower limit within 2 – 5 seconds, the error
message is generated.
Probable cause Suggested actions
1 Defective UV lamp or non-Agilent lamp.
Exchange the UV lamp.
2 Defective detector main board.
Please contact your Agilent service representa-
tive.
3 Defective power supply.
Please contact your Agilent service representa-
tive.
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 representa-
tive.
5 Defective power supply.
Please contact your Agilent service representa-
tive.
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