Burkert Type 8025 - Handbuch (Seite 64)

62
Maintenanceandtroubleshooting
9.3.4 Resolution of problems without message generation but
device status LED oN
Device
status leD current
output
Ao1 output Do1
and/or Do2
and/or Do3 problem recommended action
any colour 0 mA depending on
the thresholds
or switched
1)
The current output
transmits 0 mA.
→
Check the wiring of the current output.
→
Check the fuse of the installation and
replace it if necessary.
→
Check the position of the sink/source
switch. See chap. “7.4.5”.
→
If the problem occurs again, take contact
with the retailer.
The current output
transmits a value
between 0 and 4 mA.
→
Switch the device power supply off then
on.
→
If the problem occurs again, take contact
with the retailer.
any colour 4 mA depending on
the thresholds
or switched
1)
The current output
transmits 4 mA
whatever the displayed
flow rate value.
→
Check the configuration of the current
output. See chap. “8.6.6”.
any colour 20 mA depending on
the thresholds
or switched
1)
The current output
transmits 20 mA
whatever the displayed
flow rate value.
→
Check the configuration of the current
output. See chap. “8.6.6”.
any colour 4-20 mA depending on
the thresholds
or switched
1)
The current value trans-
mitted on the AO1
current output does not
correspond to the dis-
played flow rate.
→
Check the configuration of the current
output. See chap. “8.6.6”.
→
Check the OFFSET and SPAN param-
eters of the current output. See chap.
“8.7.1”.
any colour 4-20 mA The DO2 and DO3 outputs do not
switch whatever the displayed flow rate
value.
→
Check the configuration of the DO2 and
DO3 relay outputs. See chap. “8.6.12”.
→
Check the flow rate unit.
→
Check the behaviour of the outputs. See
chap. “8.7.3”.
1) If the output is configured to switch when a warning message is generated. See chap. 8.6.5.
English
Type 8025 UNIVERSAL