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Building Technologies Basic documentation LMV37.4... CC1P7546en
HVAC Products 21 Operating the AZL2… unit 01.12.2009
Approx.
5 s
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
&
Note
If an error occurs during the backup process, a negative value is displayed. For error diagnos-
tics, 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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