Diagnostics, troubleshooting CM42-MAA101EBE00
14 Endress+Hauser
3 Diagnostics, troubleshooting
In the DIAG menu you will find information about the device state, in particular detailed error
and maintenance messages.
In addition to this, there are various service functions available
1)
.
3.1 General troubleshooting
3.1.1 Troubleshooting
The transmitter continuously monitors its own functions.
If an error detected by the device occurs, the red alarm LED lights up and the error number with
the related error message appears on the display.
Troubleshooting instructions
A diagnostics message is shown on the display, measured values are implausible or you discover
an error.
1. See the Diagnostics menu (DIAG/Errors / Messages) for details on the diagnostics message.
2. Search for the diagnostic message under "Diagnostics information on the local display"
( ä 18) in this manual. Use the message number as the search criterion. Ignore the letters
indicating the Namur error category.
Follow the troubleshooting instructions provided in the last column of the error tables.
3. In the event of implausible measured values, a malfunctioning local display or other errors,
refer to "Process errors without messages" ( ä 15) or "Device-specific errors" ( ä 16).
Follow the recommended measures.
1) Depending on the device version
a0010348-de
Fig. 4: Error messages (example)
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