Lamp Current Missing; Lamp Voltage Missing - Agilent Technologies 1100 Series Reference Manual

Lamp Current Missing

The lamp anode current is missing.
The processor continually monitors the anode current drawn by the lamp during
operation. If the anode current falls below the lower current limit, the error message is
generated.
Probable Causes
• Lamp disconnected.
• Top foam removed while lamp is on.
• Defective lamp.
• Defective VWM board.
• Defective power supply.
Suggested Actions
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Lamp Voltage Missing

The 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.
Probable Causes
• Defective VWM board.
1100 Series Variable Wavelength Detector Reference Manual 49
Ensure the lamp connector is seated firmly.
Replace the top foam, and turn on the lamp.
Exchange the lamp.
Exchange the VWM board.
Exchange the power supply.
Troubleshooting and Test Functions
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