Table of Contents
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Index
Error messages
difficulty in mass filter electronics, 84
difficulty with the EM supply, 84
difficulty with the fan, 85
difficulty with the HED supply, 85
difficulty with the high vacuum pump, 85
foreline pressure has exceeded 300 mTorr, 86
internal MS communication fault, 86
latched, 84
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
translating error numbers into messages, 84
ESD. See Electrostatic discharge
Exhaust
oil trap for foreline pump, 108, 194
venting the foreline pump, 32
F
Face seals, 192
Fan, for high vacuum pump, 199, 202
cleaning, 118
incorrect operation of, 69, 85
replacing, 134
284
Ferrules
conditioning, 18
part numbers, 278
Filaments, 219
care, 221
electron energy, 219
emission current, 220
parameters affecting, 219
reinstalling, 160
removing, 158
selection, 219
Flow rate. See Column flow
Foreline gauge, 196
reinstalling, 128
removing, 126
See also Foreline pressure
Foreline pressure
exceeding 300 mTorr, 86
monitoring, 33, 36, 38
too high, 79
too low, 80
typical, 36
Foreline pump, 194
ballast control, 194
effect of low oil level, 79
incorrect operation, 68
oil trap, replacing, 108
part numbers, 262
power cord receptacle, 246
venting the exhaust, 32, 99, 194
vibration, 194
See also Foreline pump oil
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