Siemens LMV51 Series Basic Documentation page 150

23 - BU Extraneous Light on Startup
24 - BU Extraneous Light on Shutdown
25 - BU No Flam e at End of Safety Tim e
26 - BU Loss of Flam e
27 - BU Air Pressure on
28 - BU Air Pressure off
29 - BU Fan Contactor Contact energized
Fan Contactor Contact
2A - BU
deenergized
Flue Gas Recirculation Pressure
2B - BU
Switch on
Flue Gas Recirculation Pressure
2C - BU
Switch off
2D - BU Valve not open
Valve or Closed Position Indicator
2E - BU
(CPI) open
Gas Pressure has dropped below
2F - BU
m inim um Lim it
Gas Pressure has exceeded
30 - BU
m aximum Limit
Gas Pressure w Valve Proving:
31 - BU
Valve on Gas Side leaking
No Gas Pressure Valve proving:
32 - BU
Valve on Burner Side leaking
Oil Pressure on although Oil Pump
33 - BU
off
34 - BU Oil Pressure below Minim um
35 - BU Oil Pressure above Maximum
36 - BU No Start Release for Oil
37 - BU No direct Heavy Oil Start
38 - BU Lack of Gas Program
39 # BU Internal Fault Basic Unit
3A - BU No Burner ID defined
3B - BU No Service Passort defined
40 - BU Internal Fault Basic Unit
41 - BU Internal Fault Basic Unit
42 # BU Internal Fault Basic Unit
43 # BU
2 BU No Fuel Train defined
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Siemens Building Technologies Basic Documentation LMV51...
HVAC Products 13 Addendum 1: List of error messages of LMV51... system
Basic unit has detected extraneous light during
startup
Basic unit has detected extraneous light during
shutdown
No flam e detected at the end of the safety time
«ts1»
Loss of flam e detected during operation
Air pressure detected = on, but should be off
Air pressure detected = off, but should be on
FCC signal detected = on, but should be off
FCC signal detected = off, but should be on
FGR-APS detected = on, but should be off
FGR-APS detected = off, but should be on
Valve closing contact (CPI) detected = on, but
should be off
Valve closing contact (CPI) detected = off, but
should be on
Gas pressure < minim um
Gas pressure > maximum
Gas pressure VP = high
Gas pressure VP = low
Oil pressure > m inim um
Oil pressure < m inim um
Oil pressure < m aximum
Start release oil = off
Direct start heavy oil
Gas shortage program running
Param eter «Maxim um safety tim e» faulty
No burner identification defined
No service password defined
W rong contact position of SR relay
W rong contact position of ignition
W rong contact position of fuel valve relays
Fault in connection with plausibility check. For
cause of fault, refer to the diagnostic code
No defined fuel train param eterized
Param eterize the burner identification
Enter the service password
*1)
CC1P7550en
29.05.2002