Poor RSD on Alliance HPLC System with 2695 Separations Module - WKB53082

SYMPTOMS

• Poor RSD 

ENVIRONMENT

• Alliance HPLC System
• 2695 Separations Module

CAUSE

Worn seal pack

FIX or WORKAROUND

1. Prime and flush the system.
2. Perform the seal pack adjustment diagnostic.
3. If issue persists, rebuild the seal pack.
   1. Seal Pack Rebuild Kit w/Needle - WAT271019

ADDITIONAL INFORMATION

For seal pack adjustment refer to page 61 of the Waters Alliance e2695 Separations Module Operator's Guide - 715003794.

https://www.waters.com/waters/suppor...1556&type=USRM

For seal pack rebuild refer to page 141 through 146 of the Operator's Guide.

If rebuilding the seal pack doesn't work replace the seal pack assembly and the restrictor loop (part number: 700002791).