Siemens LMV36.520A1 - Error with Safety Shutdown; General Information; Prevention of Startup; Safety Loop

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Building Technologies Division Basic documentation LMV36... CC1P7544en
Infrastructure & Citiies Sector 24 Operation of basic unit via the AZL2... 25.09.2013
24.1.4.4. Error with safety shutdown
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The display shows Err:.
The unit initiates safety shutdown.
The display shows current error code c: alternating with
diagnostic code d:.
Press
/
reset
to return to the normal display.
Example: Error code 12 / diagnostic code 0
24.1.4.5. General information
The unit displays an event which does not lead to
shutdown.
The display shows current error code c: alternating with
diagnostic code d:.
Press
/
reset
to return to the former menu.
Example: Error code 111 / diagnostic ode 0

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.
24.1.4.6. Prevention of startup
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OFF UPr appears if a unit was not programmed or not
completely parameterized, or its operating mode was
reset or changed.
The display shows OFF UPr0 or OFF UPr1, depending
on the type of fuel currently burnt.
24.1.4.7. Safety loop
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OFF S appears if a unit’s safety loop and / or burner
flange contact is open, and a controller ON signal is
present.