Burkert 8041 Manuel Utilisateur page 51

Maintenanceandtroubleshooting
status of
problem the bar status red led
graph
The device Off Flashes twice
does not briefly every 5
respond seconds
The device Off Off
does not
work
Flow meas- - Off
urement
incorrect
All the Off
LEDs are
on
Type 8041
status
status green current or
led frequency
output
Flashes once 22 mA and
per second 0 Hz
Off 0 mA and
0 Hz
-
Flashes 0 mA and
irregularly or 0 Hz
goes off
Off 0 mA and
0 Hz
Flashes once -
per second
Flashes once 20 mA and
per second 240 Hz
meaning / causes What to do
→
Calibration of the full
scale has failed because
→
fluid velocity > 10 m/s.
→
→
The device is unplugged.
→
The fuse in the installation
is in poor condition.
→
The switch on the instal-
lation is on the OFF
position.
→
The power supply is
incorrectly connected to
the + and - terminals.
→
The power supply is not
stabilised.
→
The device is out of order.
→
The K factor has been
incorrectly calculated.
→
Measurement range
exceeded by less than
20%
English
Clear the error by briefly pressing the
push button.
Check the fluid velocity.
Restart calibration of the full scale
(see § 10.8).
Plug in the device.
Change the fuse.
Turn the switch on the installation to
ON.
Check the wiring (see § 8.3.1, 8.3.2
and 8.3.3).
Change the power supply.
Return the device to your Bürkert
retailer.
Recalculate the K factor (see §
Select the higher measurement range
(see § 10.6)
6.3.5).
49