Contents
9
Temperature symptoms, 82
Ion source will not heat up, 82
Mass filter (quad) heater will not heat up, 83
GC/MSD interface will not heat up, 83
Error messages, 84
Difficulty in mass filter electronics, 84
Difficulty with the electron multiplier supply, 84
Difficulty with the fan, 85
Difficulty with the HED supply, 85
Difficulty with the high vacuum pump, 85
Diffusion pump, 85
Turbomolecular pump, 86
Foreline pressure has exceeded 300 mTorr, 86
Internal MS communication fault, 86
Lens supply fault, 86
Log amplifier ADC error, 86
No peaks found, 86
Temperature control disabled, 87
Temperature control fault, 87
The high vacuum pump is not ready, 87
The system is in standby, 87
The system is in vent state, 88
There is no emission current, 88
There is not enough signal to begin tune, 88
Air leaks, 89
Contamination, 90
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