Siemens LMV51 Series - Page 245

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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
AB 31 O2M Internal Fault O2 Module CRC fault 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 AZL5... pa-
rameters.
Otherwise, replace defective O2 module
AB 32 O2M Internal Fault O2 Module 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 AZL5... pa-
rameters.
Otherwise, replace defective O2 module
AB 33 O2M Internal Fault O2 Module Page disrupted Reset the unit.
! Caution ! If fault occurred during parameterization: Check
the parameters changed last.
If fault cannot be rectified by the reset: Restore AZL5... pa-
rameters.
Otherwise, replace defective O2 module
AB 34 O2M Internal Fault O2 Module Invalid access to parameters Reset the unit.
! Caution ! If fault occurred during parameterization: Check
the parameters changed last.
If fault cannot be rectified by the reset: Restore AZL5... pa-
rameters.
Otherwise, replace defective O2 module