6-2
AeroTrak
®
Handheld Airborne Particle Counter
Symptom
Possible Cause
Corrective Action
Battery does not charge.
The unit must be turned on but not in
sampling mode for the battery to charge.
Turn on unit.
The battery will only charge if the unit is
turned on but is not actively taking a
sample.
Unit not put in standby mode.
Select Standby/Charge when shutting
off the instrument if you want the
battery to be charged.
LOW BATTERY ERROR
Low battery.
Recharge battery or connect AC cord.
SYSTEM ERROR
Information is not being read properly by
microprocessor.
Restart instrument. If problem persists,
contact TSI technical support.
TEMPERATURE HUMIDITY
PROBE ERROR
Temperature/RH probe was not
recognized.
Detach and reconnect probe. If problem
persists, contact TSI technical support.
FLOW ERROR
Instrument was unable to control flow rate
(if any tubing is connected to particle
counter).
Restart measurement.
Pressure drop across inlet may be too
large.
Lessen pressure drop across inlet by
using larger diameter tubing, less
tubing, and/or adding a bleed valve.
Inlet not at ambient pressure.
Do
not
subject the unit to other than
ambient pressure conditions.
LASER POWER / DETECTOR
WARNING
Excessive direct light is entering the
aerosol inlet.
Remove instrument from direct light.
Optical path blocked.
Return to factory for service.
Nozzle is misaligned. Fiber attached on
the nozzle tip.
Contact TSI and return to factory.
Detector board damaged. Laser power is
normal.
Return to factory or factory authorized
service centers for service.
Содержание AEROTRAK 9306
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