ACQUITY UPLC H-Class fails gradient performance test - WKB195050
Article number: 195050
SYMPTOMS
- SQT successful but gradient performance test is failure
- Manual OQ passes
- Filters, tubing, and GPV all confirmed OK
ENVIRONMENT
- ACQUITY UPLC H-Class
- ACQUITY UPLC H-Class Bio
- ACQUITY UPLC H-Class Quaternary Solvent Manager (QSM)
- ACQUITY UPLC H-Class PLUS
- ACQUITY UPLC H-Class PLUS Bio
CAUSE
System stored in methanol. Solvent evaporation caused lines to dry out and constrict, restricting solvent delivery.
FIX or WORKAROUND
Replace the solvent inlet lines (430002333).
ADDITIONAL INFORMATION
id195050, A-30SDM, EMP2QLIC, EMP3Q1ULIC, EMP3QLIC, gradient proportioning valve, UNIFQLIC, UPAQSM, UPPQSM, UPQSM, UPQSM, UPQSM+, UPQSM+, UPQSMBIO, UPQSMBIO, UPQSMBIO+, UPSMFTN, UPSMFTN+, UPSMFTNB+, UPSMFTNBIO