VMP-IOMM-2018-2
Fulton Ltd
Page 70
TROUBLESHOOTING - 6
6.4 TROUBLESHOOTING SIEMENS LMV
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Building Technologies Division Basic documentation LMV26... CC1P7547en
30 Error code list 20.04.2016
30 Error code list
Error code Diagnostic code Meaning for the LMV26... system Remedy
no Comm No communication between LMV26... basic unit and AZL2... Check wiring for line interruption/loose contact
2 # No flame at the end of safety time (TSA)
1 No flame at the end of safety time 1 (TSA1)
2 No flame at the end of safety time 2 (TSA2)
3 # Air pressure failure
0 Air pressure off
1 Air pressure on
2 Evaluation of air pressure
Correct the setting of parameter 235 or 335
(Deactivation of the air pressure check in operation only allowed in pneumatic operation!)
4 Air pressure on – prevention of startup
20 Air pressure, combustion pressure – start prevention
68 Air pressure, POC – start prevention
84 Air pressure, combustion pressure, POC – start prevention
4 # Extraneous light
0 Extraneous light during startup
1 Extraneous light during shutdown
2 Extraneous light during startup – prevention of startup
6 Extraneous light during startup, air pressure – start prevention
18 Extraneous light during startup, combustion pressure – start prevention
24
Extraneous light during startup, air pressure, combustion pressure –
start prevention
66 Extraneous light during startup, POC – start prevention
70 Extraneous light during startup, air pressure, POC – start prevention
82
Extraneous light during startup, combustion pressure, POC – start
prevention
86
Extraneous light during startup, air pressure, combustion pressure,
POC – start prevention
7 # Loss of flame
0 Loss of flame
3...255 Loss of flame due to TÜV test (loss-of-flame test)
Diagnostics corresponds to the period of time from shutdown of fuel valves to the detection of
loss of flame (resolution 0.2 s
Value 5 = 1 s)
12 # Valve proving
0
Fuel valve 1 (V1) leaking
(fuel valve 2 with valve proving via X5-01)
For valve proving via X5-01 (gas pressure switch-min)
- Check to see if the valve on the burner side is leaking
- Check to see if the pressure switch for the valve proving is closed when gas pressure is
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