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Building Technologies Basic documentation LMV37.4... CC1P7546en
HVAC Products 21 Operating the AZL2… unit 01.12.2009
reset
Press
reset
to activate the restore process.
Display:
1 appears
Ca.
8 s
After about 8 seconds (depending on the duration of the
program),
0 appears on the display, indicating the end of
the backup process.
Display:
0
&
Note
• Before restoring the backup data, the basic unit compares the burner identification and the
product no. (ASN) with the burner identification and the product no. (ASN) of the backup data
set. If the data accord, they are restored. If they do not, the restore process is aborted. In
case of abortion, or if an error occurs during the restore process, the display shows a nega-
tive value. For error diagnostics, the cause of the error can be determined from the diagnostic
code of error message 137 (see Error code list). When the restore process is successfully
completed, value 0 appears on the display. The LMV37.4... is supplied with undefined burner
identification. In that case, the restore process from the AZL2... is possible without having to
enter the burner identification in the basic unit
• Information Err C: 136 D: 1 (restore started) is displayed for a short moment
Caution!
• On completion of the restore process, the sequence of functions and the parameter
settings must be checked
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