Type 8756
Troubleshooting
english
67
Cause
Solution
The product is connected to
büS and is configured manu-
ally, but has no address.
Wait up to one minute until
the product assigns its ad-
dress.
10.1.8
Product status indicator is orange
(MFC büS/CANopen)
Identify the cause to solve the problem:
Cause
Solution
The product is connected to
büS and searches assigned
fieldbus participant.
Wait until the product has
found assigned fieldbus par-
ticipants.
The product is connected to
büS and is configured manu-
ally, but has no address.
Wait up to one minute until
the product assigns its ad-
dress.
The Autotune is in progress.
Wait until the Autotune is
completed.
The operating mode of the
product is set to
Open-loop
control mode
,
Manual set-
point value
or
Analyze system
.
the source that gives the
set-point value (MFC) [
10.1.9
Product status indicator is orange
(MFC Analogue)
Identify the cause to solve the problem:
Cause
Solution
The Autotune is in progress.
Wait until the Autotune is
completed.
The operating mode of the
product is set to
Open-loop
control mode
,
Manual set-
point value
or
Analyze system
.
the source that gives the
set-point value (MFC) [
10.1.10 Product status indicator is yellow
(MFM Analogue)
Identify the cause to solve the problem:
Cause
Solution
One of the following values is
out of specification. The sensor
or the product can be dam-
aged.
▪
the fluid temperature
▪
the product temperature
▪
the supply voltage
Operate the product within
the specifications. If the
product status indicator is
still yellow, then send the
product back to Bürkert.
The product has detected that
the pipe is empty.
Vent the pipe.
Fill the pipe completely with
fluid.