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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
P
V
h min s
%
B
ild
23/
0
707
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
P
V
h min s
%
B
ild
196
/0
208
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
P
V
h min s
%
B
ild
197
/0
208
OFF S
appears if a unit’s safety loop and / or burner
flange contact is open, and a controller ON signal is
present.