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3 Troubleshooting the MSD
Error messages
Error messages
Sometimes, a problem in your MSD will cause an error message to appear in the
MSD ChemStation software. Some error messages appear only during tuning.
Other messages will appear during tuning or data acquisition. Sometimes, instead
of a message, only a number will appear. This number will represent one or more
error messages. To translate a number into an error message:
1 Note the number.
2 Select
Diagnostics/Vacuum Control from the View menu.
3 Select
MS Error Codes from the Status menu.
4 Type in the error number and press
Enter.
The corresponding error message(s) will appear.
Some error messages are “latched”. These messages remain active in your data
system even if the condition that caused the message has corrected itself. If the
cause is removed, these messages can be removed by checking instrument status
through the data system.
Difficulty in mass filter electronics
• Pressure in the vacuum manifold is too high
• RFPA is not adjusted correctly
• Mass filter (quad) contacts are shorted or otherwise not working correctly
• Mass filter is not working correctly
• MSD electronics are not working correctly
Difficulty with the electron multiplier supply
• Large peak such as the solvent peak eluted while the analyzer was on
• Pressure in the vacuum manifold is too high
• MSD electronics are not working correctly
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