Siemens LMV51 Series Basic Documentation page 217

Error Diagnostic Device
code code
2D --- BU
2D 00 BU
2D 01 BU
2E --- BU
2E 00 BU
2E 01 BU
2F --- BU
30 --- BU
31 --- BU
32 --- BU
33 --- BU
34 --- BU
35 --- BU
36 --- BU
37 --- BU
38 --- BU
39 # BU
Siemens Building Technologies Basic Documentation LMV5...
HVAC Products 16 Addendum 1: List of fault status messages of LMV5... system
Display
Valve not open
Valve not open
Valve not open
Valve or Closed Position Indicator (CPI)
open
Valve or Closed Position Indicator (CPI)
open
Valve or Closed Position Indicator (CPI)
open
Gas Pressure has dropped below mini-
mum Limit
Gas Pressure has exceeded maximum
Limit
Gas Pressure w Valve proving:
Valve on Gas Side leaking
No Gas Pressure Valve Proving:
Valve on Burner Side leaking
Oil Pressure on although Oil Pump off
Oil Pressure below Minimum
Oil Pressure above Maximum
No Start Release for Oil
No direct Heavy Oil Start
Lack of Gas Program
Internal Fault Basic Unit
Meaning for the LMV5x system
Closed Position Indicator (CPI) = on, but
should have been off
Closed Position Indicator (CPI) = on, but
should have been off
(Only LMV52...) CPI via terminal StartRe-
lease_Gas
Closed Position Indicator (CPI) = on, but
should have been off
Closed Position Indicator (CPI) = on, but
should have been off
Closed Position Indicator (CPI) = on, but
should have been off
(Only LMV52...) CPI via terminal StartRe-
lease_Gas
Closed Position Indicator (CPI) = on, but
should have been off
Gas pressure < Min
Gas pressure > Max
Gas pressure VP = high
Gas pressure VP = low
Oil pressure > Min
Oil pressure < Min
Oil pressure > Max
Start release oil = off
Heavy oil direct start
Shortage-of-gas program in progress
Parameter of max. safety time faulty
Troubleshooting
Check the parameters or signal: DW-DK/CPI and StartRe-
lease_Gas
Check the parameters or signal: DW-DK/CPI and StartRe-
lease_Gas
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CC1P7550en
13.08.2004