Lamp; Leak Sensor - Thermo Scientific Dionex UltiMate 3000 Series Operating Instructions Manual

UltiMate 3000 Series:
Fluorescence Detectors FLD-3100 and FLD-3400RS

2.9 Lamp

The light source is a xenon flash lamp with a power of 15W. The flash frequency of the
lamp varies, depending on the selected lamp mode.
The lamp is turned on when data acquisition starts, and automatically turned off after data
acquisition was stopped to extend its lifetime. It is not required that the lamp is turned on
during the entire chromatographic separation. For example; during re-equilibration of the
chromatographic column, usually no peaks of interest will elute. If you are not interested in
the baseline during the wash and re-equilibration phase, you can turn off the lamp by stopping
data acquisition, or set the lamp mode to a lower frequency. This will save lamp power on
time or reduce the number of lamp flashes, respectively, and thus extend the lamp lifetime. In
addition, you can extend the lamp lifetime by selecting a different lamp mode (→ page 88).
The lamp must be replaced only by Thermo Fisher Scientific Service for Dionex HPLC
Products.

2.10 Leak Sensor

A leak sensor (→ Fig. 4, page 20) is installed inside the detector. If liquid collects in the
drip tray under the fluid connections, the leak sensor reports a leak, and the Status LED on
the front panel door changes to red. In addition, a message appears on the front panel
display and in the Chromeleon Audit Trail and a beep alerts you. Leak sensor settings see
page 72.
When the leak sensor reports a leak, eliminate the cause for the leakage and dry the leak
sensor (→ page 113). If the sensor is not dry, the Status LED remains red. To remove the
message from the display, select Clear on the navigation bar.
Operating Instructions Page 25