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Chapter 5
Troubleshooting
The table below lists the symptoms, possible causes, and recommended
solutions for common problems encountered with the D
USTTRAK™ DRX
monitor.
Symptom Possible Cause Corrective Action
Erratic zero
reading.
Leak.
Dirty inlet port and/or
sample tube.
Internal filter(s) not
installed properly
(leaking).
Check connections for leaks.
Replace zero filter.
Clean inlet port. Clean or
replace tubing.
Inspect internal filter wells to
make certain the filters and o-
rings are seated properly.
Replace internal filters if
Error: The
start time
has passed
Run Mode
Error: The
selected log
mode will
exceed the
allowed
number of
program has “Use Start
Date” selected, but the
start date is prior to the
current date.
The selected Run Mode
program is programmed
to save more samples then
is room in memory.
Correct or change the run mode
program.
Reduce the number of samples
by reducing the test length or
increasing the logging interval.