Error Code List - Siemens LMV37.4 Series Basic Documentation

29 Error code list

Error
Diagnostic code
code
no Comm
2 #
1
2
4
3 #
0
1
2
4
20
68
84
4 #
0
1
2
6
18
24
66
70
82
86
7 #
216/235
Building Technologies Division
Industry Sector
Meaning for the LMV37.4... system
No communication between LMV37.4... basic unit
and AZL2...
No flame at the end of the safety time (TSA)
No flame at the end of safety time 1 (TSA1)
No flame at the end of safety time 2 (TSA2)
No flame at the end of safety time 1 (TSA1) (software

version V02.00)
Air pressure failure
Air pressure off
Air pressure on
Evaluation of air pressure
Air pressure on – start prevention
Air pressure, combustion pressure – start prevention
Air pressure, POC – start prevention
Air pressure, combustion pressure, POC – start
prevention
Extraneous light
Extraneous light during startup
Extraneous light during shutdown
Extraneous light during startup – start prevention
Extraneous light during startup, air pressure – start
prevention
Extraneous light during startup, combustion pressure –
start prevention
Extraneous light during startup, air pressure, combustion
pressure – start prevention
Extraneous light during startup, POC – start prevention
Extraneous light during startup, air pressure, POC –
start prevention
Extraneous light during startup, combustion pressure,
POC – start prevention
Extraneous light during startup, air pressure, combustion
pressure, POC – start prevention
Loss of flame
Basic documentation LMV37.4...
29 Error code list
Remedy
Check wiring for line interruption/loose contact
Correct the setting of parameter 235 or 335
(Deactivation of the air pressure check in operation only allowed in pneumatic operation!)
CC1P7546en
20.09.2013