Siemens LMV37.4 Series - Meaning of Symbols on the Display; Brightness of Display; Special Functions; Manual Lockout

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Building Technologies Basic documentation LMV37.4... CC1P7546en
22 Operating via AZL2 17.12.2018
22.2 Meaning of symbols on the display
Parameter setting mode
Info mode
Service mode
Actuator closing
Actuator opening
Fan motor controlled
Oil preheater on
Heat request from controllers
Ignition controlled
Valve controlled
Flame present
Fault status message
Unit of current display
Bild 2e/0807
Figure 99: Meaning of display
22.3 Brightness of display
Only available with backlit LCD:
The function of the backlit display is dependent on the type of LMV37.4.
The brightness of the display can be adjusted from 0…100% using parameter 126.
No. Parameter
126 Display brightness
22.4 Special functions
22.4.1 Manual lockout
/
reset
plus other button
Press
/
reset
simultaneously with any other
button.
The LMV37.4 switches instantly to the lockout
position, irrespective of the operating position.
The display shows the fault status message.
(Refer to chapter Error code list!)
Display: Loc: 167
The reset must be carried out as follows:
/
reset
1 s
When
/
reset
is pressed for 1 second, rESEt
appears on the display.


When the button is released, the LMV37.4 is
reset.