Checking communication

Check whether the communication is working. Read off the combustion preheater module (CPM) P/N in the VIDA communication input for example.

Test whether the fault is only limited to the combustion preheater module (CPM) or if there are communication faults with other nodes as well. The fault has been localized if the only problem is in establishing contact with the combustion preheater module (CPM).

If the communication works and the P/N can be read off, the fault is intermittent.

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