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ACQUITY UPLC Sample Manager will not power-on - WKB10915

Article number: 10915


Any or all of the following symptoms may be present:

  • The sample manager fails to power-on
  • The sample manager or column heater status LEDs are unlit
  • The external fans do not operate with the power cable connected
  • The power source has power
  • The power supply assembly is new
  • Plugs and outlets are all functional


  • ACQUITY UPLC Sample Manager
    • Instrument, built prior to March 2007, has a (CORCOM) Power Entry Module with external fuse drawer

Power entry module with fuse holder.jpg


10-amp fuse failure in the power entry module

Physical damage to prongs and housing for power entry module


Replace the failed fuse:  Part number 700002577 - FUSE, 10A, 5MMX20MM, FAST BLOW (5)

Requirement: Replace both fuses, even when only one is open or defective.

  1. Disconnect the power cord from the power entry module.
  2. Use a flat-blade screwdriver to open the fuse holder door, located above the power entry module on the rear panel.
  3. With minimum pressure, pull on each spring-loaded fuse holder and remove it.
    Removing fuse drawer.jpg
  4. Test fuse resistance (ohms) with a multimeter to confirm failure.
  5. Remove and discard the old fuses.
  6. Insert the new fuses into the holders and the holders into the power entry module.
  7. Reconnect the power cord to the power entry module.


Reference additional documentation as outlined in the ACQUITY UPLC System Operator's Guide .


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