LOGO! CMR2020, LOGO! CMR2040
Operating Instructions, 10/2016, C79000-G8976-C356-03
131
Diagnostics and maintenance
The following diagnostics options are available:
For information on the LED displays, refer to the section LEDs to display operation
(Page 30).
You will find selected error patterns in the section Disruptions and their possible causes
(Page 134).
Web Based Management (WBM)
To do this, you need to connect your PC to the CMRlocally or via the mobile wireless
network.
In the WBM area Diagnostics", you will find the diagnostics messages and the setting
options for sending messages if errors occur (see below).
On the following WBM pages you obtain information on the status of the CMR:
● You will find general information on the status of the CMR on the start page of the WBM.
● You will find the diagnostics messages on the diagnostics page of the WBM, refer to the
section Diagnostics buffer (Page 75).
Diagnostics messages in the diagnostics buffer
When important events occur, the CMR writes diagnostics messages to its diagnostics
buffer.
The following are logged, for example:
● Operating messages such as startup, change to the configuration
● Establishment/interruption of the connection to the BM
● Establishment/interruption of the connection to the mobile wireless network
● Establishment/interruption of the mobile data connection
● Warnings when reading in the configuration from an SD card or from the PC.
● Time synchronization
The diagnostics messages are divided into 4 classes, see section Diagnostics buffer
(Page 75).
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