High pressure on 2695 when pumping - WKB74790

SYMPTOMS

• Fluidics pressure is higher than usual.
• The pressure is high even if the column is removed.
• The pressure is not high with wet prime and purge injectors.

ENVIRONMENT

• 2695 Separations Module

CAUSE

High pressure on the tubing at the injector OUT side (in front of column)

FIX or WORKAROUND

1. Replace the seal pack assembly

ADDITIONAL INFORMATION

・ C18SM7911A or later, D18SM4962A or later: Performance PLUS Seal Pack Replacement Kit (Part Number 700011784)

・ C18SM7911A or earlier, D18SM4962A or earlier: Seal Pack Assembly (Part Number 700002791)

Replace the inline filter (WKB3561)