Cause : BICO - Error when writing during a reconnect comes during a reconnect operation (e.g. while booting or downloading - but can also occur in normal operation) a parameter was not able to be written to.

When writing to BICO input with double word format (DWORD), in the second index, the memory areas overlap (e.g. p8861). The parameter is then reset to the factory setting.

Alarm value (r2124, interpret decimal):

Parameter number of the BICO input (signal sink).