Error With Safety Shutdown; General Information; Start Prevention; Safety Loop - Siemens LMV27.100x2 Basic Documentation

Basic unit with integrated air-fuel ratio control for forced draft burners
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22.1.4.4. Error with safety shutdown

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22.1.4.5. General information

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.

22.1.4.6. Start prevention

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22.1.4.7. Safety loop

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Basic Documentation LMV27...
22 Operation of LMV27 via the AZL2
The display shows Err:.
The LMV27 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 LMV27 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
LMV27, or a LMV27 whose operating mode was reset or
changed, displays OFF UPr.
A LMV27 whose safety loop and / or the burner flange
contact is open, and a load controller ON signal is
present, displays OFF S.
131/219
CC1P7541en
17.12.2018

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