6-1
C H A P T E R 6
T r o u b l e s h o o t i n g
Symptom
Possible Cause
Corrective Action
Counts are too low
Instrument is being operated outside
temperature or relative humidity
specifications.
Operate instrument within specifications.
Internal parts have been damaged because
instrument was stored at a temperature
greater than 122°F (50°C).
Return to factory or factory authorized
service centers for service.
Instrument has contamination on the optics
due to condensation or excessive loading.
Return to factory or factory authorized
service centers for service.
Laser or pump control is damaged.
Return to factory or factory authorized
service centers for service.
Unit is due for calibration.
Return to factory or factory authorized
service centers for service.
Instrument does not turn on
The on/off button is not being
pressed properly.
Press and hold the on/off button for one
second.
Battery is not charged.
Recharge battery or connect to AC
power.
Power cord is not plugged into unit.
Connect power cord.
Instrument does not meet
zero count specification
(<1 particle/5 mins)
Instrument inlet is contaminated with
particles
HEPA zero filter is not connected properly
and room air is leaking into the HEPA zero
filter assembly.
Follow
inlet cleaning instructions
in
manual.
Check that the HEPA zero filter has
been tightly connected to the inlet.
Check that rubber O-ring (black) on the
inlet is in place.
Residual particles from previous samples
are shedding off internal parts and into the
optics.
Purge instrument by running the
instrument for 15 to 30 minutes before
attempting zero count test. Longer purge
times may be required depending on
amount of particle contamination in the
instrument.
An internal component has been damaged
due to operation outside of temperature
specifications or one or more excessive
bumps or jolts, and electronic noise is
inducing false counts.
Return to factory or factory authorized
service centers for service.
A leak has developed in the aerosol flow
path.
Return to factory or factory authorized
service centers for service.
Internal optics have become dirty.
Return to factory or factory authorized
service centers for service.
Содержание AEROTRAK 9310
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