Thermo Scientific DSQ II, Hardware Manual

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3
Troubleshooting
RF and DC Control Symptoms
142 DSQ II Hardware Manual Thermo Scientific
• Prefilter is not connected to RF feedthroughs. Vent the system and check the two
connections. The two wires from the prefilter should be connected to the top and bottom
RF feedthroughs on the front pins.
• There is high voltage arcing. Vent the system and check the quadrupole mass filter and
prefilter. Also, check the wires inside the RF coil box. Make sure the four wires going to
the RF feedthroughs are far from any surface and especially each other. Check for burn
marks or evidence of arcing. Clean components if necessary. Replace the components if
problems persist.
RF Dip is present, but outside acceptable range.
Possible Solutions
• There is a fault with the RF coil or the RF detector board. Contact Technical Support for
assistance.
• There is high voltage arcing. Vent the system and check the quadrupole mass filter and
prefilter.
• Also, check the wires inside the RF coil box. Make sure the four wires going to the RF
feedthroughs are far from any surface and especially each other.
• Check for burn marks or evidence of arcing. Clean components if necessary. Replace the
components if problems persist.
The Det RF line (RF Gain Calibration screen) is not a smooth, straight line out
to
m/z
1050.
Possible Solutions
• The RF generator gain is not adjusted. Contact Technical Support for assistance.
• There is high voltage arcing. Vent the system and check the quadrupole mass filter and
prefilter.
• Also, check the wires inside the RF coil box. Make sure the four wires going to the RF
feedthroughs are far from any surface and especially each other. Check for burn marks or
evidence of arcing. Clean components if necessary. Replace the components if problems
persist.