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Building Technologies Division Basic documentation LMV36... CC1P7544en
Infrastructure & Citiies Sector 30 Error code list 25.09.2013
Error
code
Diagnostic code Meaning for the LMV36... system Remedy
prevention
19
Safety loop/burner flange, extraneous light, combustion
pressure – start prevention
21
Safety loop/burner flange, air pressure, combustion pressure –
start prevention
23
Safety loop/burner flange, extraneous light, air pressure,
combustion pressure – start prevention
65 Safety loop/burner flange, POC – start prevention
67
Safety loop/burner flange, extraneous light, POC – start
prevention
69 Safety loop/burner flange, air pressure, POC – start prevention
71
Safety loop/burner flange, extraneous light, air pressure, POC
– start prevention
81
Safety loop/burner flange, combustion pressure, POC – start
prevention
83
Safety loop/burner flange, extraneous light, combustion
pressure, POC – start prevention
85
Safety loop/burner flange, air pressure, combustion pressure,
POC – start prevention
87
Safety loop/burner flange, extraneous light, air pressure,
combustion pressure, POC – start prevention
23 # Gas pressure switch-min (Pmin) / heavy oil direct start
0 No minimum gas pressure Check wiring to see if there is an open-circuit (X5-01)
1 Gas shortage – start prevention Check wiring to see if there is an open-circuit (X5-01)
2 Heavy oil direct start
Check wiring to see if there is an open-circuit (X9-04)
Check that the oil is preheated correctly
50 # Internal error
Make a reset; if error occurs repeatedly, replace the unit
51 # Internal error
Make a reset; if error occurs repeatedly, replace the unit
55 # Internal error
Make a reset; if error occurs repeatedly, replace the unit
56 # Internal error
Make a reset; if error occurs repeatedly, replace the unit
57 # Internal error
Make a reset; if error occurs repeatedly, replace the unit
58 # Internal error
Make a reset; if error occurs repeatedly, replace the unit
60 # Internal error: No valid heat source
1 Analog output preset valid – prevention of startup Check wiring of analog predefined output to see if there is an open-circuit / loose contact
2 Analog output preset valid – default output low-fire
Check wiring of analog predefined output to see if there is an open-circuit / loose contact
Note:
This information is provided in connection with the thermal shock protection
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