Agilent Technologies 5977B Series Troubleshooting And Maintenance Guide

86
3 CI Troubleshooting
Cannot complete Autotune
Wrong or corrupted tune file
Check the tune parameters.
The m/z 28/27 ion ratio (for methane) is incorrect. The correct ratio should be
between 1.5 and 5.0.
If the ion ratio is incorrect, adjust it. See the Operation Manual.
The CI ion source is dirty.
Clean the source.
Too much air or water in the system
See “Air Leaks” on page 66. After eliminating these problems, clean the ion
source.

Agilent Technologies 5977B Series Specifications

General

Brand	Agilent Technologies
Model	5977B Series
Category	Measuring Instruments
Language	English