Siemens LMV37.4 Series - Page 249

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Building Technologies Basic documentation LMV37.4... CC1P7546en
29 Error code list (all LMV2 types / LMV3 types) 17.12.2018
Error
code
Diagnostic code Meaning for the LMV37.4 Recommended measures or causes
105 # Internal error contact sampling
0 Pressure switch-min
1 Pressure switch-max / POC
2 Pressure switch valve proving
/ Fuel selection Fuel 0 / Reset
3 Air pressure switch
4 Fuel selection Fuel 1 / Load
controller OPEN
5 Load controller ON/OFF
6 Fuel selection Fuel 0 / Load
controller CLOSED
7 Safety loop / Burner flange
8 Safety valve
9 Ignition transformer
10 Fuel valve V1
11 Fuel valve V2
12 Fuel valve V3
13 Fuel selection Fuel 1 / Reset
Can be caused by capacitive loads or supply of DC voltage to the mains voltage inputs. The
diagnostic code indicates the input where the problem occurred
106 # Internal error contact request Make a reset; if error occurs repeatedly, replace the LMV37.4
0 Pressure switch-min
1 Pressure switch-max / POC
2 Pressure switch valve proving
/ Fuel selection Fuel 0 / Reset
3 Air pressure switch
4 Fuel selection Fuel 1 / Load
controller OPEN
5 Load controller ON/OFF
6 Fuel selection Fuel 0 / Load
controller CLOSED
7 Safety loop / Burner flange
8 Safety valve
9 Ignition transformer
10 Fuel valve V1
11 Fuel valve V2
12 Fuel valve V3
13 Fuel selection Fuel 1 / Reset
107 # Internal error contact request Make a reset; if error occurs repeatedly, replace the LMV37.4
0 Pressure switch-min