1100 Series DAD and MWD Reference Manual 73
Troubleshooting and Test Functions 3
UV Lamp Current
The UV lamp 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
• UV lamp disconnected.
• Defective UV lamp or non-Agilent lamp.
• Defective detector main board.
• Defective power supply.
Suggested Actions
✔ Ensure the UV lamp connector is seated firmly.
✔ Exchange the UV lamp.
✔ Exchange the detector main board.
✔ Exchange the power supply.
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