Endress+Hauser Flowphant T DTT31 Operating Instructions Manual page 12

Operation
Navigating the 'Learn' function
Fig. 11: Navigating the 'Learn' function using the Calibration (CAL) function group as an example
m Select the function HIF (Learn High Flow) or LOWF (Learn Low Flow) or SPL (switch point 'Learn' or
SPL2 (switch point 2 'Learn') with the E key
n Select the "RUN" function with the + key, learn function is initialized
o Select the "WAIT" function with the + key, press for longer than 2 s
p Accept ('learn') the current measured value after approx. 10 s - "OK" appears on the display
q Or: The message "W432" appears on the display after 60 s
– A sufficiently stable flow was not detected during the learning process. The system takes an average of
the 10 values last measured during the learning process.
r Return to the CAL function group (Home position) with the E key
!
Note!
The device is still operative if message W432 appears. There can be large measuring uncertain-
ties however. Recommendation: repeat Learn process (points 1 to 4) until "OK" appears on the
display.
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DTT31, DTT35
a0005785
Endress+Hauser