Waters 2489, Operator'S Manual

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Scanning spectra 3-65
Shutting down the detector
If you need to power-off the detector for an extended length of time, you must
remove any buffered mobile phase present in the fluid path.
Removing buffered mobile phase
To remove mobile phase from the fluid path of the detector:
1. Replace the buffered mobile phase with 100% HPLC-quality water and
flush the system for 10 minutes at 3 mL/min.
2. Replace the 100% water mobile phase with a solution of 90% methanol:
10% water, and flush the system for 10 minutes at 3 mL/min.
Follow the recommended procedures for injector purging and priming for the
pump in use with your HPLC.
Shutting down the detector
To shut down the detector, press the On/Off switch located on the front
lower-right corner of the unit.
Caution:
To avoid damage to the column, remove it before you
perform the following procedure. Before you remove the column, see
your column care and use guide.