Siemens LMV5 Series Basic Documentation page 202

Error Diagnostic Device
code code
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
39 01 BU
39 02 BU
39 03 BU
3A - BU
3B - BU
40 - BU
41 - BU
42 # BU
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Siemens Building Technologies Basic Documentation LMV51...
HVAC Products 15 Addendum 1: List of fault status messages of LMV51... system
Display
Valve or Closed Position Closed Position Indicator (CPI) = on, but
Indicator (CPI) open should have been off
Valve or Closed Position (Only LMV52...) CPI via terminal
Indicator (CPI) open StartRelease_Gas
Closed Position Indicator (CPI) = on, but
should have been off
Gas Pressure has dropped Gas pressure < Min
below minimum Limit
Gas Pressure has exceeded Gas pressure > Max
maximum Limit
Gas Pressure w Valve proving: Gas pressure VP = high
Valve on Gas Side leaking
No Gas Pressure Valve Proving: Gas pressure VP = low
Valve on Burner Side leaking
Oil Pressure on although Oil Oil pressure > Min
Pump off
Oil Pressure below Minimum Oil pressure < Min
Oil Pressure above Maximum Oil pressure > Max
No Start Release for Oil Start release oil = off
No direct Heavy Oil Start Heavy oil direct start
Lack of Gas Program Shortage-of-gas program in progress
Internal Fault Basic Unit
Parameter of max. safety time faulty
Internal Fault Basic Unit Fault with timer1
Internal Fault Basic Unit Fault with timer2
Internal Fault Basic Unit Fault with timer3
No Burner ID defined
No burner identification defined
No Service Password defined No service password defined
Internal Fault Basic Unit
Wrong contact position of SR relay
Internal Fault Basic Unit Wrong contact position of ignition
Internal Fault Basic Unit Wrong contact position of BV relay
Meaning for the LMV5x system Troubleshooting
Check the parameters or signal: DW-DK/CPI and
StartRelease_Gas
Parameterize burner identification
Enter service password
*1)
Check output wiring
Check output wiring
CC1P7550en
01.10.2003