Replacing the pump leak sensor

Users or Waters field service personnel can replace the pump leak sensor.

Warning: To avoid personal contamination with biologically hazardous or toxic compounds, wear clean, chemical-resistant, powder-free gloves when performing this procedure.

Required tools and materials

• Chemical-resistant, powder-free gloves
• Protective eyewear
• Replacement leak sensor
• Flat-blade screwdriver

To replace the leak sensor:

1. Open the pump compartment door.
2. Press down on the leak sensor connector tab and remove the connector from the receptacle. A flat-blade screwdriver can aid in pressing down the leak sensor tab to disengage the locking mechanism.

   

   

   Tab

   

   Leak sensor connector

3. Grasp the leak sensor by its serrations and pull upward to remove it from the drip tray reservoir.

   

   

   Leak sensor serrations

4. Unpack the new leak sensor.
5. Align the leak sensor’s T-bar with the slot in the front of the leak sensor cavity, and then slide the leak sensor into the slot.

   

   

   T-bar

   

   Slot in front drip tray, right-hand side

6. Connect the leak sensor connector to the receptacle on the front panel.

   

   

   Leak sensor connector

   

   Leak sensor receptacle on front panel

7. Close the pump compartment door.
8. From the touchscreen Commands view, tap Reset.
9. From the touchscreen System view, tap Leak Sensors and then enable the QSM Leak Sensor.