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Building Technologies   Basic documentation LMV37.4...  CC1P7546en 
  23 Operation of LMV37.4 via the AZL2  17.12.2018 
23.1.4  Fault status messages, display of errors and info  
23.1.4.1.  Display of errors (faults) with lockout  
 
 
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The display shows Loc:, the bar under the fault status 
message 
 appears. 
 
The LMV37.4 is in the lockout position. 
 
The display shows current error code c: alternating with 
diagnostic code d: (refer to Flash code list). 
 
Example: Error code 4 / diagnostic code 3 
 
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23.1.4.2. Reset  
 
reset
 
1…3 s 
Press 
reset
 for 1...3 s so that rESEt appears on the display.
 
When you release the button, the LMV37.4 is reset. 
If you press 
reset
 for >1 s or <1 s, the system returns to the 
former menu. 
 
Exception: 
If a fault occurs in connection with the curve setting, the 
system returns to the parameter setting level. 
 
23.1.4.3.  Activating info / service mode from lockout  
 
reset
 
>3 s 
Press 
reset
 for >3 s so that InFo, SEr and then OPErAtE 
appear on the display. 
 
When the button is released, a change to info / service  
mode is made. 
reset
 
>5 s 
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reset
 
>8 s 
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