Siemens LME7 Series - Error During Backup Process

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Building Technologies Basic Documentation LME7... CC1P7105en
15 Operation via internal LED 17.04.2018
15.7.1 Error during backup process
Alternately
Display shows alternately bAC and Er3.
For meaning of a possible cause, see chapter Error code list
with operation via internal LED.
Β
Note:
During backup, all settings and parameters are transferred from the basic unit’s memory to the
memory of the program module.