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MAIN CTRL-A.
A variety of causes could lead to lack of signal output or small signals. If the
problem is not resolved by the checks above, check each electrical unit in the
sequence below.
Vacuum system Low degree of vacuum can lead to poor peak strength and unfamiliar peaks may appear.
Filament In principle, defective control causes an error display. Check the voltage settings.
Ion source Defective insulation, defective assembly, or defective installation can result in no peaks.
Lenses Defective electrical system or incorrect connection can result in no peaks.
Rods, RF source Incorrect wiring or a defective electrical system can result in no peaks.
CDD Incorrect wiring or a defective electrical system can result in almost no peaks.
EM Incorrect wiring or a defective electrical system can result in no peaks.
Signal system Incorrect wiring or a defective electrical system results in no response to vibrations.
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