Replacing the sample manager leak sensor

Replacing the sample manager leak sensor
Topic LCI-USG-0199, Last Updated 11/08/2024

Users or Waters field service personnel can replace the sample manager's leak sensors.

The sample manager has lower and upper leak sensors. The leak sensors monitor for fluid leaks at the column heater and sample manager and stop system flow when either sensor detects approximately 1.5 mL of accumulated fluid. Faulty leak sensors can result in undetected fluid spills.

The procedures for replacing the leak sensors are identical.

Warning: Observe Good Laboratory Practice (GLP) at all times, particularly when working with hazardous materials. Consult the Safety Data Sheets regarding the solvents you use. Additionally, consult the safety representative for your organization regarding its protocols for handling such materials.
Warning: To avoid personal contamination with biologically hazardous materials, wear clean, chemical-resistant, powder-free gloves when performing this procedure.
Warning: To avoid eye injury, use eye protection when performing this procedure.
Note: To avoid damaging electrical components and circuitry, do not disconnect an electrical assembly while electrical power is applied to a module. To completely interrupt power, set the on/off switch to the "off" position, and then disconnect the power cord from the ac source. Wait 10 seconds before disconnecting an assembly.

Required tools and materials

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

To replace the leak sensor:

  1. Power-off the system.
  2. Open the sample manager compartment door.
  3. Press down on the tab to detach the leak sensor connector from the front of the device.
    Figure 1: Leak sensor connector
    Connector
    Tab
  4. Grasp the leak sensor by its serrations and pull upward on it to remove it from its reservoir.
    Figure 2: Leak sensor serrations
    Serrations
  5. Unpack the new leak sensor.
  6. Align the leak sensor T-bar with the slot in the side of the leak sensor reservoir and slide the leak sensor into place.
    Figure 3: Aligning the leak sensor's T-bar with slot
    Leak sensor T-bar
    Slot in leak sensor reservoir
    Leak sensor port on front of device
  7. Connect the leak sensor connector to the front of the sample manager.
    Figure 4: Attaching leak sensor connector
    Leak sensor connector
    Leak sensor port on front of device
  8. Close the sample manager compartment door.
  9. Power-on the system.
  10. From the touchscreen Commands view, tap Reset.
  11. From the touchscreen System view, tap Leak Sensors, and then enable the SM Leak Sensor.

Need Help? Connect with a Waters expert. 


To avoid risk of personal injury and to prevent damage to laboratory equipment, always operate your Waters products in accordance with the applicable operational and safety information, your organization’s standard operating procedures, and local regulations.

Refer to the English version of this page for the latest information.

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