Skip to main content
Waters

Alliance 2695 "Plunger homing over pressure" error - WKB287425

Article number: 287425

SYMPTOMS

  • "Plunger homing over pressure" error

ENVIRONMENT

  • Alliance 2695
  • Alliance 2795

CAUSE

A check valve is stuck.

FIX or WORKAROUND

  1. Open the vent valve and reboot the 2695. If the error does not appear during initialization, close the vent valve and resume normal operation. If the error returns, the cause may be a sticking check valve or a clogged in-line filter. 

ADDITIONAL INFORMATION

 

id287425, 2690, 2690D, 2690DUPGD, 2690UP, 2695, 2695D, 2695DE, 2695DEB, 2695DUP, 2695E, 2695EB, 2695INERT, 2695UP, 2790XE, 2790XEUP, 2795E, 2795UP, 2795XE, A-10SSM, checkvalve

Not able to find a solution? Click here to request help.