Liquiline CM44P
Diagnostics and troubleshooting
Hauser
137
Problem
Possible cause
Tests and/or remedial measures
Current output, incorrect
current value
Incorrect adjustment
‣
Check with integrated current simulation,
connect mA meter directly to current output.
Load too large
Shunt/short to ground in
current loop
No current output signal
Base module defective
‣
Check with integrated current simulation,
connect mA meter directly to current output.
12.2 Diagnostic information on the local display
Up-to-date diagnostic events are displayed along with their status category, diagnostic
code and short text. Clicking on the navigator lets you retrieve more information and tips
on remedial measures.
12.3 Diagnostic information via web browser
The same information as for the local display is available via the web server.
12.4 Diagnostic information via fieldbus
Diagnostic events, status signals and more information are transmitted according to the
definitions and technical capability of the respective fieldbus systems.
12.5 Adapting the diagnostic information
12.5.1 Classification of diagnostic messages
In the
DIAG
/
Diagnostics list
menu you can find more detailed information on the current
diagnostic messages displayed.
In accordance with Namur specification NE 107, the diagnostic messages are characterized
by:
• Message number
• Error category (letter in front of the message number)
•
F
= (Failure) a malfunction has been detected
The measured value of the affected channel is no longer reliable. The cause of the
malfunction is to be found in the measuring point. Any control system connected
should be set to manual mode.
•
C
= (Function check), (no error)
Maintenance work is being performed on the device. Wait until the work has been
completed.
•
S
= (Out of specification), the measuring point is being operated outside its
specification
Operation is still possible. However, you run the risk of increased wear, shorter
operating life or lower measurement accuracy. The cause of the problem is to be found
outside the measuring point.
•
M
= (Maintenance required), action should be taken as soon as possible
The device still measures correctly. Immediate measures are not necessary. However,
proper maintenance efforts would prevent a possible malfunction in the future.
• Message text
If you contact the Service Department, please cite the message number only. Since you
can individually change the assignment of an error to an error category, the Service
Department cannot use this information.
