To replace the leak sensor:
1.
Power-off the sample manager.
2.
Depending on the configuration of the column heater leak-sensor you are replacing, do as
follows:
• If the leak sensor is in the sample manager's upper drip tray, follow the instructions for
replacing the leak sensor in the
ACQUITY UPLC Sample Manager - Flow Through
Needle PLUS Series Overview and Maintenance Guide
.
• If the leak sensor is in the MS-bracket drip tray, proceed with the steps below, to
replace the leak sensor.
3.
Disconnect the APH-inlet tubing from injector port 6 of the sample manager.
4.
Disconnect the column-outlet tubing from the detector inlet.
5.
Disconnect the eCord fob from its receptacle on the right-hand side of the CH-A.
6.
Using the T20 TORX driver, remove the TORX screw from the right-hand side of the
column heater, behind the eCord receptacle.
Figure 3–1: TORX screw behind the eCord receptacle
TORX screw
eCord receptacle
7.
Gently pull the right-hand side of the column heater toward you, and then slide it to the
right, to unseat the tab on the left-hand side of the column heater from its extended
column-heater housing.
8.
Using the flat-blade screwdriver, loosen the two retaining screws, and then remove the CH-
A interconnect cable's 25-pin connector from the D-sub receptacle on the rear of the
column heater.
December 4, 2019, 715005052 Version 02 (previously released as Rev.B)
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