The Basic Principle Of Troubleshooting - Agilent Technologies 1290 Infinity II 2D-LC Solution User Manual

9 Troubleshooting and Diagnostics

The Basic Principle of Troubleshooting

The Basic Principle of Troubleshooting

Troubleshooting key Concept – Divide and Conquer
The following troubleshooting concept, shows exemplarily how to approach
problems in 2D-LC chromatography.
Most of the following explanations can also be used to isolate and detect
standard LC issues.
The basic principle of troubleshooting should always be a step by step approach
to the 2D-LC problem. As a first step, find out whether the cause of the error is
either:
•
•
For a recommended approach to isolate the cause of the issue, see the graphic
below. All examples use symbols as described in the following table.
Table 15
Symbol
2D-LC - User Guide
The application method, or
The 2D-LC instrument
Description for symbols as used in troubleshooting decision trees
Description
Shows and describes a problem in the 2D-LC
system. Indicates the starting point for a series
of actions and decisions leading to a solution for
the problem.
Illustrates, that the user must identify what an
observation means. Then the user must take a
decision, which further way of troubleshooting to
follow.
Shows, the user must act to proceed and come
to the next decision or solution.
235