Error During Backup Process - Siemens LME7 Series Basic Documentation

Alternately
Note
During backup, all settings and parameters are transferred from the basic unit's memory device
to the memory device of the program module.
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HVAC Products

21.6.1 Error during backup process

Basic Documentation LME7...
21 Operation via internal LED
bAC and Er3 appears alternately in the display.
Meaning a possible cause, refer to chapter Error code list
with operation via internal LED .
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CC1P7105en
13.10.2009