1100 Series DAD and MWD Reference Manual 75
Troubleshooting and Test Functions 3
UV Ignition Failed
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 Causes
• Lamp not connected.
• Defective UV lamp or non-Agilent lamp.
• Defective detector main board.
• Defective power supply.
Suggested Actions
✔ Ensure the lamp is connected.
✔ Exchange the UV lamp.
✔ Exchange the detector main board.
✔ Exchange the power supply.
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