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12.3 Notes
No.
Message
181
Sys. Temp Min
182
Sys. Temp Max
183
Rawdata len
184
Rawdata crc
185
P-LOG full
186
DSP-info len
187
DSP-info crc
188
SoS calc. status
12.4 Troubleshooting
If you cannot find a solution to your problem with the RMG component in
the table below, then please contact the RMG service.
„Manufacturer" on the inside cover
If problems cannot be eliminated, please contact RMG service.
• Note the active message (number and text) in order to be able to dis-
cuss the problem with RMG service.
No.
Description
The current output is freely configurable (is only code word protected). Violating the
45
limit value may occur in an otherwise trouble-free operation if the limits are selected
too close together. In this case, the limits can simply be adjusted. The limits are set
ex-factory in such a manner that they correspond with the limit values of the assigned
measured values, e.g., flow. A limit value violation occurs at the current outlet only if
the meter, for example, is run-over and thus also reports a QVb max error (No.78).
AGC limits can be violated if an actual fault is at hand on the sensors or it is simply
60-65
caused by the operating conditions. In order to limit the cause, one should compare
the values of all paths in L-16/17 to Q-16/17. If only the AGC value of a single path
deviates then one has to expect a defect. If all paths are affected then the cause may
be contamination or condensation deposits on the transducer heads or, also an oper-
ating pressure that is simply too low if, for example, the system has not been applied
yet. If the actual operating pressure deviates significantly from that previously speci-
fied, the parameters must be adjusted by the service. For extremely fluctuating oper-
ating conditions, there is an option for switching the attenuator on and off automati-
cally here, which does not always lead to an optimum setting of the gain as this is
only a 2-point regulation
Explanation
System temperature to low
System temperature to high
Length of the raw data telegram wrong
Checksum of the raw data telegram wrong
Parameter log memory full
Length of the DSP info telegram wrong
Checksum of the DSP info telegram wrong
Status of the SoS calculation
12 Alarm and warning messages
Manual USM GT400 · EN10 · May 2021
175
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