User`s guide
Troubleshooting
Voyager
™
 Biospectrometry
™
 Workstation User’s Guide 8-7
8
8.2 Troubleshooting
This section includes:
• Spectrum troubleshooting
• Software troubleshooting
• Hardware troubleshooting
Troubleshooting information is organized according to 
likelihood of possible cause, from most likely to least likely 
possible cause. If you are unable to solve your problem using 
the information in the following tables, call PerSeptive 
Biosystems Technical Support. To reach PerSeptive 
Biosystems Technical Support, refer to the list of offices on the 
back cover of this book.
8.2.1 Spectrum Troubleshooting
Table 8-1 Spectrum Troubleshooting
Symptom Possible Cause Action
Flat signal on oscilloscope 
or in spectrum window for 
sample region (matrix 
peaks seen)
(continued on next page)
Laser intensity too 
low
Adjust laser by using the 
slider controls on the Manual 
Laser/Sample Positioning 
control page.
Analyzing “cold” spot Analyze different position in 
sample position.
Sample consumed at 
location in well where 
laser is hitting
Analyze different position in 
sample position.
Mass range setting 
incorrect
Adjust. See Section 5.3.5, 
Understanding Digitizer 
Settings.










