Siemens LMV37.4 Series Basic Documentation page 62

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Building Technologies
Error Diagnostic
code code
2 1
3 0
7 0
20 0
22 0
OFF S
23 2
82 #
83 #
85 #
86 #
87 #
If the adjustable repetition counter limits are changed, the actual counter is recharged
only when the associated recharging time is reached: After power-on or after a reset.
Note
If immediate recharging shall be enforced, the LMV37.4 can be manually locked and
then reset.
Functions with fixed repetition counters
These counters cannot be set.
Meaning
Number of repetitions in the event of error:

Relay

Relay control
Recharging time:
End of Operation phase
Number of repetition in the event of internal error
Recharging time:
After 24 hours of operation
Error Diagnostic
code code
95...98 #
99...100 #
Basic documentation LMV37.4...
7 Basic unit LMV37.4
Meaning for the LMV37.4
No flame at the end of the first safety time
Air pressure
Loss of flame
Pressure switch-min
No minimum gas / oil pressure
Safety loop / burner flange open
Heavy oil direct start
Error during VSD's speed standardization
Speed error VSD
Referencing error ones actuators
Error fuel actuator
Error air actuator
Meaning
Error relay supervision
Internal error relay control
Settings
Basic setting
2
5
CC1P7546en
17.12.2018