User manual

4 1260 Nanoflow Pump User Manual
Contents
6 Troubleshooting and Diagnostics 79
Overview of the Module’s Indicators and Test Functions 80
Status Indicators 82
User Interfaces 84
Agilent Lab Advisor Software 85
7 Error Information 87
What Are Error Messages 89
General Error Messages 90
Module Error Messages 95
8 Test Functions and Calibration 109
Micro Mode Pressure Test 110
Normal Mode Pressure Test 112
Leak Test 116
EMPV Test 124
EMPV Cleaning 125
9 Maintenance 127
Introduction to Maintenance 128
Warnings and Cautions 129
Overview of Maintenance 130
Cleaning the Module 132
Early Maintenance Feedback (EMF) 133
Checking and Cleaning the Solvent Inlet Filters 136
Exchanging the Active Inlet Valve Cartridge or the Active Inlet Valve 138
Exchanging the Outlet Valve Sieve 142
Exchanging the Solvent Selection Valve 144
Removing and Disassembling the Pump Head 146
Exchanging the Pump Seals and Seal Wear-in Procedure 148
Exchanging the Pistons 151
Exchanging the Flow Sensor 153
Reassembling the Pump Head Assembly 154
Exchanging the Optional Interface Board 156
Replacing Module Firmware 157