44 Troubleshooting and Maintenance Manual
2 General Troubleshooting
• Width gain or offset is too high
• Calibration vial(s) empty or almost empty
• Excessive pressure in the analyzer chamber
• Air leak
• MCP or PMT voltage is too low
• Signal cable is not connected
• Electrical leads to the detector are not connected correctly
• Electrical leads to the ion source are not connected correctly
• Filament shorted to the source body
• Collision cell gas flow
• Collision cell voltages
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