79
9 Maintenance
9.5.4
Solving a problem with a warning or error message with the red device status
LED
Device sta-
tus LED
Analog out-
put AO1
Digital outputs
DO1/DO2/DO3
Displayed
message
Meaning
Measure
Red
22 mA
Depending on the
thresholds
"ERROR3"
The user settings
and factory calibra-
tion have been lost.
•
Restart the device
•
If the problem arises
again, contact the man-
ufacturer
•
If the message
LIN.LOST is generated
at the same time, con-
tact the manufacturer.
The device is mea-
suring the wrong
values.
Red
22 mA
Depending on the
thresholds
ERROR4
The counter values
have been lost.
•
Restart the device
•
If the problem arises
again, contact the man-
ufacturer.
The values saved
from the previous
exterior voltage
mains supply are
used.
Red
22 mA
Depending on the
thresholds
ERROR5
Both
ERROR3 and ER-
ROR4
•
Contact the manufac-
turer
Red
22 mA
Depending on the
thresholds
ERROR6
Counter values
have been lost
completely
•
Restart the device
•
If the problem arises
again, contact the man-
ufacturer
Both counters are
reset.
Red
22 mA
Depending on the
thresholds
ERROR7
Both
ERROR3 and ER-
ROR6
•
Contact the manufac-
turer
Red
22 mA
Depending on the
thresholds
MEAS.OVF
Flow rate in the
pipeline is > 12 m/s.
•
Check the flow rate in
the pipeline
•
Reduce the flow rate if
necessary
•
If the problem arises
again, contact the man-
ufacturer
Red
22 mA
Depending on the
thresholds
BAD MEAS. Faulty measuring
signal
•
Make sure that the me-
dium is in the pipeline
•
Make sure there are no
air bubbles in the medi-
um
•
Check the potential
equalization of the in-
stallation
•
If the problem arises
again, contact the man-
ufacturer
The flow rate is not
measured correctly.
