TSI Instruments PORTACOUNT 8040 User Manual

Preventive Maintenance, Service, and Troubleshooting 81
Symptom
Possible Causes
Solution
Low Particle
message
(continued)
Moisture build-up inside
PortaCount Fit Tester.
Change alcohol wick
inside the Alcohol
Cartridge. Dump old
alcohol from the Alcohol
Fill Capsule and add fresh
alcohol. Run two hours to
dry optics (remove the
alcohol cartridge and
install storage cap).
Inferior or contaminated
alcohol.
Change Alcohol Wick
inside the Alcohol
Cartridge. Use only
approved alcohol (99.5 %
or better isopropyl).
Plugged internal nozzle.
See Nozzle Cleaning in
the Service and
Maintenance chapter.
Unit needs recalibration
and cleaning.
Return the instrument to
TSI for service.
Does not switch
on
AC Adapter not plugged
into unit or AC outlet.
Connect AC adapter.
Fails Zero Check
Alcohol Cartridge is
loose.
Tightly close the Alcohol
Cartridge.
Twin Tube Assembly
leaks.
Repair or replace the Twin
Tube Assembly.
Filter leaks
Repeat the test with a
different filter.
Ends of Twin Tube
Assembly are poorly
sealed.
Cut off the worn ends on
the Twin Tube Assembly.
Twin Tube Assembly is
disconnected.
Connect the Twin Tube
Assembly to the
PortaCount Fit Tester.
Slightly flooded with
alcohol.
Remove Alcohol Cartridge
and run for 15 minutes,
then try again.
Switching valve is not
functioning.
Return to TSI for service.

TSI Instruments PORTACOUNT 8040 Specifications

General

Brand	TSI Instruments
Model	PORTACOUNT 8040
Category	Test Equipment
Language	English