Error With Safety Shutdown; General Information; Start Prevention; Safety Loop - Siemens LMV37.4 Series Basic Documentation

23.1.4.4. Error with safety shutdown

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23.1.4.5. General information

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Note
For meaning of the error and diagnostic codes, refer to chapter Error code list. When an error
has been acknowledged, it can still be read out from the error history.

23.1.4.6. Start prevention

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23.1.4.7. Safety loop

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Basic documentation LMV37.4...
23 Operation of basic unit via the AZL2...
The display shows Err:.
The unit initiates safety shutdown.
The display shows current error code c: alternating with
diagnostic code d:.
Press to return to the normal display.
/reset
Example: Error code 12 / diagnostic code 0
The unit displays an event which does not lead to
shutdown.
The display shows current error code c: alternating with
diagnostic code d:.
Press to return to the display of phases.
/reset
Example: Error code 111 / diagnostic ode 0
A non-programmed or not completely parameterized unit,
or a unit whose operating mode was reset or changed,
displays OFF UPr.
A unit whose safety loop and / or burner flange contact is
open, and a controller ON signal is present, displays OFF
S.
CC1P7546en
20.09.2013