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Siemens Building Technologies Basic Documentation LMV5... CC1P7550en
HVAC Products 16 Addendum 1: List of fault status messages of LMV5... system 13.08.2004
Error
code
Diagnostic
code
Device Display Meaning for the LMV5x system Troubleshooting
5C
# BU Parameter Backup Restore Page number
5D # BU Internal Fault Basic Unit Page too long open Reset the unit.
! Caution ! If fault occurred during parameterization: Check
the parameters changed last.
If fault cannot be rectified by the reset: Restore AZL… pa-
rameters.
Otherwise, replace defective basic unit
5D
# BU Internal Fault Basic Unit Page number
5E # BU Internal Fault Basic Unit Page has an undefined status Reset the unit.
! Caution ! If fault occurred during parameterization: Check
the parameters changed last.
If fault cannot be rectified by the reset: Restore AZL… pa-
rameters.
Otherwise, replace defective basic unit
5E
# BU Internal Fault Basic Unit Page number
5F --- BU Parameter Set damaged Last backup restore invalid (was inter-
rupted)
Repeat backup restore
60 # BU Internal Fault Basic Unit Fault when copying a parameter page Reset the unit.
! Caution ! If fault occurred during parameterization: Check
the parameters changed last.
If fault cannot be rectified by the reset: Restore AZL… pa-
rameters.
Otherwise, replace defective basic unit
60
# BU Internal Fault Basic Unit Number of parameter page
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