15 Troubleshooting
15.1 Fault table
15 Troubleshooting
15.1 Fault table
Fault information
Electronic unit faults are very rare due to its high quality standard. Implausible display values therefore
normally indicate faults in the system. The following fault table lists the various fault messages as well
as their cause and remedy.
Alarm messages
Alarm conditions are processed internally in most cases. If all the above values still appear correct, no
operator intervention is required. If the alarm appears more frequently or remains active for a longer
period of time, contact the manufacturer.
Other faults
Fault Cause and remedy
Password not known.
Setup values can be protected by setting a
password, see “Menu 6 - OTHER”. If a pass-
word is set, it must be kept in a safe place.
After setting a password, the setup values
can only be accessed with a password.
Analogue output does not work or does not work
correctly.
No current or incorrect current can be measured
between terminals 10 and 6.
Check supply voltage for BEM 200 and for
analogue output for impermissible connec-
tion. Use analogue isolators if necessary.
"0 / zero” is displayed as the flow rate. A flow rate of 0 is displayed after a transducer
fault.
Check wiring, replace pick up.
If there is a flow (Total is counting):
Check setup values under menu 2.
The flow rate is displayed as “------”. The flow rate is too high to be displayed.
Operating instructions
OIE 24en-GB Edition 2022-01
21
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