Incorrect leak rate profile during dynamic leak test - WKB12203
Article number: 12203
SYMPTOMS
- Incorrect leak rate profile during dynamic leak test
- Shows an increase of leak rate on accumulator when leak rate on primary is monitored
ENVIRONMENT
- ACQUITY UPLC BSM
- ACQUITY I-Class BSM
- ACQUITY H-Class BSM
CAUSE
Faulty check valve on accumulator pump
FIX or WORKAROUND
Replace the check valve for the accumulator pump.
Accumulator check valve part number for classic ACQUITY: 700002968
Accumulator check valve part number for I-Class ACQUITY: 700003755
Accumulator check valve part number for H-Class ACQUITY: 700005164
ADDITIONAL INFORMATION
id12203, 2489, 2489B, 2489SFC, A-10UV, ALLCOLCLR, ALLCOLHTR, ALLCOLHTRB, checkvalve, DLT, UPBINARY, UPIBSM, UPIBSM+, UPISMFL, UPISMFL+, UPISMFTIVD, UPISMFTN, UPISMFTN+, UPQSM, UPQSM+, UPQSMBIO, UPQSMBIO+, UPSMFTN, UPSMFTN+, UPSMFTNB+, UPSMFTNBIO