Appendix B
70
Troubleshooting the Environmental Enclosure
The table below lists the symptoms, possible causes and recommended
solutions for common problems encountered with the D
UST
T
RAK
Environmental Enclosure.
Symptom
Possible Cause
Corrective Action
D
UST
T
RAK
monitor does
not turn on.
Uncharged battery.
External battery pack not
plugged to D
UST
T
RAK
monitor.
Bad battery pack (no
longer able to be
recharged).
Connect to charger and wait
until the yellow LED turns off.
Plug battery power plug into
the power jack in D
UST
T
RAK
monitor.
Replace with new battery pack.
Readings are
unusually
low.
Zero was not checked on
D
UST
T
RAK
monitor.
Plugged external inlet.
Sampling in wind speeds
over 22 mph.
Enclosure located near an
object that obstructs the
flow.
Leak in the inlet.
Re-zero D
UST
T
RAK
monitor at
desired sampling conditions.
Remove inlet from the
Enclosure; blow out debris with
compressed air. Rinse with
clean air, if needed. DO NOT
DISASSEMBLE COVER ON
INLET ASSEMBLY.
Take off water trap bottle and
clean all exposed surfaces.
D
UST
T
RAK
monitor will under-
sample slightly in high wind
speeds. No correction possible.
Move the Environmental
Enclosure into a more open
area.
Make sure the upper inlet
assembly and the water trap are
screwed in tightly.
Make sure tubing is secured on
the enclosure barb and the
D
UST
T
RAK
monitor.
Summary of Contents for DustTrak 8520
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Page 10: ...vi ...
Page 14: ...Chapter 1 4 ...
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Page 88: ...Index 78 W X Y warning v warranty 2 wrist strap 1 3 Z zero checking 38 zero filter 1 ...