Waters 2545 Binary Gradient Module User Manual

4-8 Troubleshooting
Troubleshooting hardware
This table contains suggestions for resolving hardware problems in the binary
gradient module. If the suggested solutions do not solve the problem, call
Waters Technical Service.
Troubleshooting the hardware :
Symptom Possible Cause Corrective Action
Display is blank Unit not powered on Power on unit.
Startup diagnostics
failure
Power off and on again. If
failure persists, call
Waters Technical Service.
Contrast set too dark Press contrast button.
Erratic flow rate or
pressures
Air bubble in pump
head
Prime the binary gradient
module.
Dirty inlet check
valves
Clean/replace inlet check
valves.
Prime/vent valve
open or leaking
Close or rebuild
prime/vent valve.
Plugged solvent
reservoir filter
Clean or replace filter.
Plunger seal leaking Replace plunger seal
assembly.
Front panel software
“lock up”
Software problem or
power line problem
Power off and on again. If
failure persists, call
Waters Technical Service.
Manifold leaking Defective solvent
select valve
Call Waters Technical
Service.

Waters 2545 Binary Gradient Module Specifications

General

Brand	Waters
Model	2545 Binary Gradient Module
Category	Control Unit
Language	English