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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
A6
41
LC
Internal Fault Load Controller
Invalid phase during parameterization of
the safety-related page P_TW
*1)
A6
42
LC
Internal Fault Load Controller
Invalid phase during parameterization of
the safety-related page P_STATUS
*1)
A6
43
LC
Internal Fault Load Controller
Invalid phase during parameterization of
the safety-related page P_SYSTEM
*1)
A6
44
LC
Parameter Set damaged
Page has been set to 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
A6
45
LC
Parameter Backup Restore
Page has been set to RESTO
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
A6
46
LC
Internal Fault Load Controller
Page has an invalid 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
A6
4A
LC
Internal Fault Load Controller
CAN error
*1)
A6
4B
LC
Internal Fault Load Controller
CAN error
*1)
A6
4C
LC
Internal Fault Load Controller
CAN error
*1)
A6
4D
LC
Internal Fault Load Controller
CAN error
*1)