Uv Heater Current - Agilent Technologies 1100 Series Reference Manual

3 Troubleshooting and Test Functions

UV Heater Current

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.
• UV Lamp not connected.
• Ignition started without the top foam in place.
• Defective UV lamp or non-Agilent lamp.
• Defective detector main board.
• Defective power supply.
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Probable Causes
Suggested Actions
Ensure the UV lamp is connected.
Replace the top foam, and turn on the lamp.
Exchange the UV lamp.
Exchange the detector main board.
Exchange the power supply.
1100 Series DAD and MWD Reference Manual