Siemens LMV5 Series Basic Documentation page 203

Error Diagnostic Device
code code
42 01..FF BU
42 01 BU
42 02 BU
42 04 BU
42 08 BU
42 10 BU
42 20 BU
42 40 BU
42 80 BU
43 # BU
43 01 BU
43 02 BU
43 03 BU
43 04 BU
43 05 BU
43 06 BU
43 07 BU
43 08 BU
43 09 BU
43 0A BU
43 0B BU
43 0C BU
43 0D BU
44 # BU
44 01 BU
Siemens Building Technologies Basic Documentation LMV51...
HVAC Products 15 Addendum 1: List of fault status messages of LMV51... system
Display
Internal Fault Basic Unit The diagnostic value is made up of the
following faults or their combinations (the
individual diagnostic codes are added up
in hexadecimal format)
Internal Fault Basic Unit Contact position fault SV-oil
Internal Fault Basic Unit Contact position fault V1-oil
Internal Fault Basic Unit Contact position fault V2-oil
Internal Fault Basic Unit Contact position fault V3-oil
Internal Fault Basic Unit Contact position fault SV-gas
Internal Fault Basic Unit Contact position fault V1-gas
Internal Fault Basic Unit Contact position fault V2-gas
Internal Fault Basic Unit Contact position fault V3-gas
Fault in connection with plausibility check.
For cause of fault, refer to diagnostic code
Internal Fault Basic Unit No fuel selection
No Fuel Train defined No defined fuel train parameterized
Internal Fault Basic Unit Variable "Train" not defined
Internal Fault Basic Unit Variable "Fuel" not defined
Internal Fault Basic Unit Operating mode with LC not defined
Internal Fault Basic Unit Prepurge time gas too short
Internal Fault Basic Unit Prepurge time oil too short
Internal Fault Basic Unit Safety time 1 gas too long
Internal Fault Basic Unit Safety time 1 oil too long
Internal Fault Basic Unit Ignition off time > ts1 gas
Internal Fault Basic Unit Ignition off time > ts1 oil
Internal Fault Basic Unit Safety time 2 gas too long
Internal Fault Basic Unit Safety time 2 gas too long
Fault at deactivated inputs
Controller connected but Controller input connected but deactivated
deactivated
Meaning for the LMV5x system Troubleshooting
*1)
Deactivate input or do not connect
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CC1P7550en
01.10.2003