Led Diagnostics - WIKA PU-448 Mode D'emploi

6. Virtual COM ports of the PU-448 / 7. LED ...
If you are using the WIKAsoft-TT software:
9. The COM port must be chosen when starting the software.
→ Only if the right COM port is chosen, the connection to the instru-
ment and starting of the programme are possible!

7. LED diagnostics

The model PU-448 programming unit is fitted with 2 LEDs for
clear status indication. Through changes in colour, detailed status
diagnostics are possible.
from PC
WIKA operating instructions programming unit PU-448
LED 1 LED 2
to the
temperature transmitter
GB
15