7
Diagnostics and Troubleshooting
Troubleshooting
132
TSQ Quantum XLS and TSQ Quantum GC User Guide
Thermo Scientific
• The Ethernet cable is unplugged. Verify that the Ethernet cable is connected to the
Ethernet port on the mass spectrometer. See
.
• The Ethernet card in the PC is not configured or is faulty. Check the configuration or
replace the Ethernet card if necessary.
• The mass spectrometer is in Service Mode. Return the electronics service switch to
operating position.
• An incorrect Ethernet cable is used for the mass spectrometer. Use the supplied 10 Base-T
Category 5 crossover cable (P/N 76396-0052, in TSQ Quantum XLS Accessory Kit).
Issue:
Computer
intermittently loses
communication with the
mass spectrometer.
Possible cause/solution
• The Ethernet cable is loose or damaged. Inspect the cable and replace it if necessary.
Issue:
Unable to
download methods to
the mass spectrometer.
Possible cause/solution
• The software is not properly configured. Verify the correct settings in Instrument
Configuration.
Issue:
Acquisition does
not begin as expected.
Possible causes/solutions
• The TSQ Quantum XLS or TSQ Quantum GC start mode is not properly configured.
Verify that the instrument is configured properly. Refer to Xcalibur Help for more
information.
• The TSQ Quantum XLS or TSQ Quantum GC Instrument Setup file has incorrect
settings. Check the start time in the Instrument Setup file.
• The forepressure is too high due to solvent peak. Reduce injection volume or extend
filament/multiplier delay time until after solvent peak.
• The remote start cable to the GC is disconnected. Connect the remote start cable.
• The GC did not start. Verify GC instrument method and configuration. Verify the
connection between the autosampler and GC.
• The autosampler did not start. Verify autosampler instrument method and configuration.
Verify that the sample is present.
• The heated zone stipend is not attained. See
.
Note
You can extend the length of the Ethernet cable by plugging a standard
Category 5 cable in series with the supplied crossover cable.