Chapter 9 Troubleshooting

Table 9-11 Peak Detection and Labeling Troubleshooting—Voyager Only

Symptom

Possible Cause

Action

 

 

 

 

Partially resolved peaks

Mass resolution set too

Decrease Mass

not detected

high to detect average

Resolution setting. See

 

 

mass

Section 3.2.2, Strategy for

 

 

 

Voyager Peak Detection.

 

 

 

 

 

 

%Base Peak Intensity not

Adjust. See Section 3.2.2,

 

 

adjusted correctly

Strategy for Voyager Peak

 

 

 

Detection.

 

 

 

 

Table 9-12 Charge State and Isotope Determination Troubleshooting—Mariner

 

 

Only

 

 

 

 

Symptom

Possible Cause

Action

 

 

 

Known isotope labeled

Max Charge State

Set Max Charge State

with incorrect charge state

parameter set too low.

correctly. See “Peak

(too low)

See example in “Max

Processing parameters

 

 

Charge State set too low”

(spectrum data only)” on

 

 

on page 3-33.

page 3-26.

 

 

 

 

9

9-18 Applied Biosystems