"Pump h/w Overpressure" error ACQUITY Systems - WKB60838
Article number: 60838
SYMPTOMS
- "Pump h/w Overpressure" error when flow is to column
- Error does not return when system is placed in bypass
- Error does not return when pump outlet tubing is removed from the Sample Manager-FTN
- Error does not return when column outlet tubing is removed from the Sample Manager-FTN
- When flow is started, pressure rises until HW overpressure occurs
- Pressure is OK when the APH is disconnected from the inject valve (pod)
ENVIRONMENT
- ACQUITY Column Manager
- ACQUITY H-Class Quaternary Solvent Manager
- ACQUITY UPLC I-Class
- ACQUITY UPLC H-Class
- ACQUITY Premier
- Empower 3
- Masslynx
CAUSE
Clog in the APH (Active Preheater) tubing
FIX or WORKAROUND
ADDITIONAL INFORMATION
It is possible to backflush the APH by gradually increasing flow, but it can be difficult.
id60838, A-30MCM, A-30SDM, A-30SM, UPAQSM, UPC2CMAUX, UPCMA, UPCMAIVD, UPCMAUX, UPISMFTN, UPPCMA, UPPCMAUX, UPPFTN, UPPQSM, UPQSM, UPQSM, UPQSM+, UPQSM+, UPQSMBIO, UPQSMBIO, UPQSMBIO+, UPSMFTN, UPSMFTN, UPSMFTN+, UPSMFTN+, UPSMFTNB+, UPSMFTNBIO