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Error: "Sample Fluidics High Pressure Limit (value)" on ACQUITY Sample Managers - WKB3786

Article number: 3786

SYMPTOMS

  • Error: "Sample Fluidics High Pressure Limit (value)"

ENVIRONMENT

  • ACQUITY H-Class
  • H-Class-FTN
  • Sample Manager-FTN
  • ACQUITY UPLC I-Class PLUS
  • ACQUITY Console
  • ACQUITY Sample Manager

CAUSE

Error occurs when pressure exceeds 210 psi in the low-pressure fluidics path.

FIX or WORKAROUND

  1. Inspect injection valve to see if fully secured.
  2. Check if gap is present on the outside of the valve and manifold it secures to or injection valve screw (behind position #2) is loose.
  3.  Align and secure if necessary with hex tool.
  4. Loosen the finger-tight fittings on the inject valve at ports 2 and 3.
  5. Reset the SM-FTN using the console.
  6. Prime the wash and purge solvents.
  7. Wash the needle.
  8. Retighten the fittings.
  9. Repeat the prime.
  10. Start flow slowly, increasing to the initial conditions, and allow pressure to stabilize.
  11. Characterize the needle seal.

ADDITIONAL INFORMATION

Valve-2.png

For additional information and troubleshooting, see How to troubleshoot "Sample Fluidics High Pressure Limit" errors on an FTN - WKB19544

id3786, overpressure, UPQSM, UPQSM+, UPQSMBIO, UPQSMBIO+, UPSMFTN, UPSMFTN+, UPSMFTNB+, UPSMFTNBIO

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