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Building Technologies Basic documentation LMV37.4... CC1P7546en
HVAC Products 21 Operating the AZL2… unit 01.12.2009
21.5 Timeout for menu operation
The time for automatically leaving the parameter setting level can be adjusted between
10 and 120 minutes, using the following parameter:
No. Parameter
127 Timeout for menu operation
If, during that period of time, there is no operation via the AZL2..., the parameter setting
level is quit and the password level reset to
Info / Service.
Caution!
In addition, this timeout or interruption of communication between the
LMV37.4... and the AZL2... during the time the curves are set leads to lockout!
Error-
code
Diagnostic
code
Meaning for the LMV37… system
167 8 Manual locking via AZL2...
Timeout / communication interruption