TESTO 6681 Profibus, Instruction Manual

Page: 144 / 154

144 4.1 Questions and answers
4 Tips and assistance
4.1 Questions and answers
Question Possible causes/solutions
Connection to instrument cannot be
established
Check connection cable/plug contacts
A message appears on the display See volume 1, chapter 1.5.
Malfunction (with or without display)
Analysis using the P2A software, see
chapter 3.3.3, Analyzing/testing the
transmitter
.
Undo adjustment A 1-point temperature/humidity adjustment
can be reset to the current reading using
[Set offset to zero] .
The actual values before the adjustment
can be read out from the corresponding
history table.
2-point adjustments and analog
adjustments can only be undone by means
of a factory reset.
When does a stable current reading
appear?
After approx. 20 seconds
If we could not answer your question, please contact your dealer or Testo
Customer Service. For contact data, see back of this document or web page
www.testo.com/service-contact