Operation Manual TCH Pro 202 & 203
If the problem cannot be solved by confirming the above, please contact your local
distributor or our customer support center.
Chapter 5: Maintenance
There are no user-serviceable parts inside the TCH Pro Models. Teilch recommends
contacting customer service if maintenance or servicing is required.
I. RECOMMENDED MAINTENANCE SCHEDULE
Annual factory cleaning and calibration is recommended for TCH Pro Models to ensure
accuracy and longevity of the instrument. Below is a recommended maintenance schedule
for the instrument.
1.
Zero count check – Monthly. Included inlet filter has a HEPA filtration media. For
proper test, utilize a 0.1µm or ULPA filters.
2.
Factory calibration – Annually
3.
External cleaning – As needed
II. TCH PRO FIRMWARE UPGRADE
1. Download and uncompress the latest firmware for your unit from http://www.teilch.com/
support/.
2. Press and hold Power button.
3. Press Reset button with a paper clip. For button location, see Page 6 of this manual.
4. Release Power Button. You should now see the Firmware Upgrade Screen. If you do
not see this screen, press Power and Reset buttons simultaneously again.
5. Connect Particle Analyzer to PC with USB cable.
System test parameter fails.
Contact Teilch Customer Support.
Counts/Concentration doesn’t
increase or change when
counting.
1) Incorrect firmware
loaded.
2) Component Failure.
Contact Teilch Customer Support.
Possible Causes
Solutions
Symptom
Page of
30
33
TCH Pro v1.2.1
