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