Bio-Rad ChromLab™ Software - Manual (Page 203)

The Detectors
Instrument Guide | 201
Replacing the Single-Wavelength UV Detector LED
This section explains how to replace the LED on the single-wavelength UV detector.
Caution: It is strongly suggested that you wear gloves when you replace the
LED. Do not touch the LED glass with bare hands, as oils from your skin will
degrade the lamp over time.
To replace the single-wavelength UV LED
1. On the touch screen, select Shut Down on the dropdown menu to exit
ChromLab and shut down the NGC instrument.
2. Disconnect the tubing lines from the top and bottom of the UV cell.
3. Disconnect the tubing lines from the conductivity monitor.
4. The door to the LED is held in place by a pressure latch. Press down on the
latch and then slide the door forward.