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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
58 --- BU Parameter Set damaged Internal communication (µC1 <> µC2) 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
59 # BU Parameter Set damaged After initialization, EEPROM page is on
ABORT (last parameterization was pos-
sibly interrupted due to a power failure)
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.
59 # BU Parameter Set damaged Page number
5A # BU Parameter Set damaged CRC error of 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
5A # BU Parameter Set damaged Page number
5B # BU Parameter Set damaged Page is on ABORT 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
5B # BU Parameter Set damaged Page number
5C # BU Parameter Backup Restore Page is on WR_RESTO
A backup restore was made
Reset the unit.
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