Possible Problems
procedure no. →
incorrect detector preamplifier
threshold
section → 9.1.1 and section 3.5.3
high noise of the primary source use a second excitation source,
electric interference monitor mains voltage, check ground connec-
tions section → 4.7
Table 12: Noisy Spectrum
possible cause perform check, test, or troubleshooting
procedure no. →
malfunction of lenses Check tubus voltages section , ‘Check all ana-
lyzer (HSA 3500) voltages” on page . The
voltage can be measured either at the 12 pin
feedthrough ( figure → 33 on page 72) or at
the rear of the HSA3500.
Note table 2 on page 16
improper adjustment of the
Slit Orbit mechanism
check proper adjustment section → 3.4 ,
section 4.4
magnetic fields
→section 3.3 and section 4.4
Table 13: Incorrect area was analyzed in all lens modes
PHOIBOS 55
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