Burkert Type 8041 - Manual (Page 52)

50
Maintenanceandtroubleshooting
problem
bargraph
state
red leD state
Green leD
state
current or
frequency
output
state
meaning / cause recommended action
The device
does not
respond OFF Flashes once
briefly every 2 s Flashes once
every second 22 mA and
256 Hz Measuring range
exceeded by more than
20%
→
Clear the error by briefly pressing the
push-button.
→
Consult the graphs (see chap.
8.2.1).
The device
does not
respond OFF Flashes twice
briefly every 2 s Flashes once
every second 22 mA and
0 Hz The flow zero point cali-
bration failed.
→
Clear the error by briefly pressing the
push-button.
→
Check upstream/downstream dis-
tances (see chap. 8.2.1).
→
Restart the calibration (see chap.
9.7).
→
If the error persists, contact your
Bürkert retailer.
The device
does not
respond OFF Flashes 3 times
briefly every 2 s Flashes once
every second 22 mA and
0 Hz The device is out of
service
→
Contact your Bürkert retailer.
The device
does not
respond OFF Flashes 4 times
briefly every 2 s Flashes once
every second 22 mA and
0 Hz The full scale calibration
failed because the fluid
velocity < 2 m/s
→
Clear the error by briefly pressing the
push-button.
→
Check the fluid velocity.
→
Restart the calibration of the full
scale (see chap. 9.8).
English
Type 8041