Waters ACQUITY UPC2, Overview And Maintenance Manual, Page: 72 / 84

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Energy level too low. Energy level is too low. 1. Clear the flow cell
and establish flow.
2. If step 1 does not
work, replace the
lamp.
3. If problem persists,
contact Waters
Technical Service.
Flow cell memory device
not detected.
Unable to electronically
communicate to flow cell
Connect flow cell
identification cable.
Flow cell memory device
not programmed.
Flow cell memory device
has not been
programmed.
1. Cycle power to the
detector.
2. If problem persists,
contact Waters
Technical Service.
Lamp failure Lamp indicates Off
when it should be On.
1. Check lamp icon.
2. Cycle power to the
detector.
3. Replace lamp.
Lamp lighting failure The lamp failed to
ignite.
1. Cycle power to the
detector.
2. Check lamp power
connection.
3. Replace lamp.
Lamp memory device
not detected.
Unable to electronically
communicate to lamp
Change lamp.
Leak detected Leak in detector Follow the procedure to
resolve a detector leak
sensor error on page 38 .
Leak Detector not
present
Leak detector is not
present or is not
connected.
1. Connect the leak
detector.
2. Contact Waters
Technical Service.
Instrument error messages: (Continued)
Error Message Description Corrective Action