Siemens LMV37.4 Series Basic Documentation page 151

Approx.
5 s

Note
If an error occurs during the backup process, a negative value is displayed. For error
diagnostics, the cause of the error can be determined from the diagnostic code of error
message 137 (see Error code list).
Caution!
We recommend to make a backup whenever a parameter is changed!
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Basic documentation LMV37.4...
22 Operating the AZL2... unit
After about 5 seconds (depending on the duration of the
program), 0 appears on the display, indicating the end
of the backup process.
Display: 0
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CC1P7546en
20.09.2013