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Waters

"Sample Pressure Low" error on ACQUITY Sample Manager - WKB6577

Article number: 6577

SYMPTOMS

  • Sample Pressure Low error when trying to inject

ENVIRONMENT

  • ACQUITY UPLC Sample Manager

CAUSE

The metering syringe valve is not closing correctly.

FIX or WORKAROUND

  1. Replaced metering syringe valve.

ADDITIONAL INFORMATION

Sample Manager was failing the needle seal leak test, as well as the wash syringe leak test. The Injection Valve and the Metering Syringe Valve are common points between these two tests.

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