How to check and clean the BM self-diagnosis memory

Every self-diagnosis message identified by BM is stored and can be accessed by the user at the device's frontal panel. The shown value for each self-diagnosis memory digit is the sum of each error ever occurred at that position, and not only of those which are active at the moment. This way is possible to know every single error since the last time that the memory was cleaned (reset).

To check and clean the device's self-diagnosis memory, follow the steps below:

1. Press at the same time the P and ↓:
2. The self-diagnosis screen will appear. Press the ↑ or the ↓ to visualize the self-diagnosis:
3. To clean the actual self-diagnosis memory, just press both P and ↑ at the same time:

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