Burkert Type 8025 Benutzerhandbuch
Seite 62

60
Maintenanceandtroubleshooting
9.3.2
Resolution of problems without message generation and
device status LED red
Device
status
leD
current
output
Ao1
output Do1
and/or Do2
and/or Do3
message
displayed
possible cause
recommended action
red
0 mA
low level
"PWRFAIL"
The supply voltage is too
low.
The device does not
function.
→
Check that the supply
voltage at the terminals of
the 8025 is between 12 and
36 V DC.
→
If the problem occurs again,
take contact with the retailer.
red
4-20 mA depending on
thresholds
"ERROR3"
The user parameters are
lost.
The device measures
wrong values.
→
Start the device again.
→
If the message persists,
return the device to Bürkert.
→
If the problem occurs again,
take contact with the retailer.
red
22 mA
1)
depending on
thresholds
"ERROR4"
The totalizer values are
lost.
The values saved upon
the next to last power
down are retrieved.
→
Start the device again.
→
If the problem occurs again,
take contact with the retailer.
red
4-20 mA depending on
thresholds
"ERROR5"
Both "ERROR3" and
"ERROR4".
→
Start the device again.
→
If the message persists, con-
figure the device again.
→
If the problem occurs again,
take contact with the retailer.
red
22 mA
1)
depending on
thresholds
"ERROR6"
Totalizer values definitely
lost.
Both totalizers are reset.
→
Start the device again.
→
If the problem occurs again,
take contact with the retailer.
red
4-20 mA depending on
thresholds
"ERROR7"
Both "ERROR3" and
"ERROR6".
→
Start the device again.
→
If the message persists, con-
figure the device again.
→
If the problem occurs again,
take contact with the retailer.
red
22 mA
1)
depending on
thresholds
"MEAS.
OVF"
The rotational frequency
of the paddle wheel is >
2,2 kHz.
→
Check the flow rate in the
pipe.
→
If necessary, adjust the flow
rate.
→
If the problem occurs again,
take contact with the retailer.
1)
If parameter "ERR. 22mA" is set to "ACTIVE". See chap. “8.6.7”.
English
Type 8025 UNIVERSAL