TSI Instruments N95-Companion 8095, Operation And Service Manual

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Chapter 5
Troubleshooting
This chapter describes the symptoms, possible causes and recommended
solutions for common problems encountered with the N95-Companion.
Always perform the daily checks, described in Chapter 4, “Maintenance,”
before you begin troubleshooting.
This will help you to detect most
problems quickly.
Note: This information assumes that the P
ORTA
C
OUNT
Plus is operating
correctly.
The most recent version of this manual and the Model 8026 Particle
Generator Operation and Service Manual can be found on the TSI website at
www.tsi.com .
Some common problems you may encounter include:
Symptom Possible Cause Corrective Action
Low particle
counts
The particle generator is
not running.
______________________
The N95-Companion is
connected but the twin tube
is connected directly to the
P
ORTA
C
OUNT
instead of
the N95-Companion.
______________________
The testing room is
inappropriate.
•
It is too large
•
It is not a closed room
•
It has too high an air
exchange rate
______________________
The switching valve inside
the pendant is not
switching.
Turn on the power to the
particle generator.
Check fuse.
______________________
Verify that all tubes are
connected correctly.
______________________
If the room is too large or
not closed, select another
location. If the air
exchange rate is too high,
increase the output of the
particle generator.
______________________
Perform the purge
procedure on the pendant
switching valve. See
Maintenance chapter.