Overpressure in flow cell of 2996 - WKB207670

SYMPTOMS

• High/over pressure in flow cell

ENVIRONMENT

• Alliance 2996

CAUSE

Blockage in flow cell

FIX or WORKAROUND

1. Sonicate the entire cell in a beaker of warm water, and then backflush with the cell out of the instrument.
2. Dry fully before refitting to instrument.
3. Try backflushing the cell at low flow rate before sonicating.  
4. If blockage persists, replace the flow cell (WAT057919 - 996 Analytical cell 10 mm).

ADDITIONAL INFORMATION