Burkert Type 8025 - Handbuch (Seite 63)

61
Maintenanceandtroubleshooting
9.3.3 Resolution of problems without message generation and
with device status LED orange
Device
status leD current
output
Ao1 output Do1
and/or Do2
and/or Do3 message
displayed possible cause recommended action
orange 4-20 mA Switched 2) "WARN.
LO" The measured flow rate
has stayed under the
minimum threshold for
the set time delay.
This message appears
when the flow rate
is monitored (see
chap. 8.7.4).
→
Check the flow rate in the
pipe and its consequences
on the process.
→
If necessary, clean the flow
sensor.
orange 4-20 mA Switched 2) "WARN.
HI" The measured flow rate
has stayed above the
maximum threshold for
the set time delay.
This message appears
when the flow rate
is monitored (see
chap. 8.7.4).
→
Check the flow rate in the
pipe and its consequences
on the process.
→
If necessary, clean the flow
sensor.
orange 4-20 mA Switched 2) "DISP.
OVF" The real flow rate cannot
be displayed (display has
reached its max. possible
value).
Except the display,
the device operates
depending on the real
flow rate.
→
Adjust the unit or the number
of decimals in the UNIT
parameter of the Parameters
menu so that the display can
show higher values.
orange 4-20 mA Switched 2) "AO1
LOST" Calibration of the current
output is lost.
The device generates
unprecise intensities
on the analogue output
AO1.
→
Adjust the current output
within the Test menu.
orange 4-20 mA Switched 2) "WARN.
VOL." The daily totalizer has
reached the value set in
parameter "VOLUME-
W." of the Test menu.
→
Carry out the planned main-
tenance operation.
→
Reset the daily totalizer: see
chap. “8.5” or “8.6.15”.
2) If the output is configured to switch when a warning message is generated. See chap. 8.6.5.
English
Type 8025 UNIVERSAL