TSI Instruments Aerotrak 9303 - CHAPTER 6 Troubleshooting; Counts are too low.; Instrument does not turn on.

6-1
C H A P T E R 6
Troubleshooting
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) or
shipped with battery
installed and turned
on causing
excessive heat.
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 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.
On/off switch is not
being pressed
properly.
Battery is dead.
AC cord is not
plugged into unit.
Press and hold on/off
switch for one second.
Recharge battery or
connect to AC power.
Connect AC cord.