Siemens LMV5 Series Basic Documentation page 205

Error Diagnostic Device
code code
46 06 BU
46 07 BU
47 - BU
48 - BU
50 # BU
50 00..07 BU
51 # BU
51 00..07 BU
52 # BU
52 01 BU
52 02 BU
52 03 BU
53 01 BU
58 - BU
Siemens Building Technologies Basic Documentation LMV51...
HVAC Products 15 Addendum 1: List of fault status messages of LMV51... system
Display
Programstop active Program stop "STOP_DR_POSTP" in
Phase 72 active
Programstop active Program stop "STOP_PREP2" in Phase
76 active
No Start Release for Gas Start release gas = off
2 Flame Signals with 1 Detector System parameterized for 1-detector
Operation operation but 2 flame signals present
Internal Fault Basic Unit
Fault during key value check
Internal Fault Basic Unit Number of time block in which the fault
was detected
Internal Fault Basic Unit Time block overflow
Internal Fault Basic Unit Number of time block in which the fault
was detected
Internal Fault Basic Unit Stack error
Internal Fault Basic Unit Stack overflow
Internal Fault Basic Unit Value dropped below preset minimum limit
Internal Fault Basic Unit Test values in stack range exceeded
Internal Fault Basic Unit Faulty reset state has occurred
Parameter Set damaged Internal communication (uC1 <> uC2)
Meaning for the LMV5x system Troubleshooting
*1)
*1)
*1)
*1)
Reset the unit.
! Caution ! If fault occurred during parameterization: Check
the parameters changed last.
If fault cannot be rectified by the reset: Restore AZL...
parameters.
Otherwise, replace defective basic unit
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CC1P7550en
01.10.2003