Siemens LMV5 Series Basic Documentation page 218

Error Diagnostic Device
code code
A6 44 LC
A6 45 LC
A6 46 LC
A6 4A LC
A6 4B LC
A6 4C LC
A6 4D LC
A6 4E LC
A6 50 LC
A6 51 LC
A6 52 LC
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Siemens Building Technologies Basic Documentation LMV51...
HVAC Products 15 Addendum 1: List of fault status messages of LMV51... system
Display
Parameter Set damaged Page has been set to ABORT
Parameter Backup Restore Page has been set to RESTO
Internal Fault Load Controller Page has an invalid status
Internal Fault Load Controller CAN error
Internal Fault Load Controller CAN error
Internal Fault Load Controller CAN error
Internal Fault Load Controller CAN error
Internal Fault Load Controller CAN error
Short-circuit Pt100 Sensor Short-circuit sensor PT100 (X60.1 X60.4) Check wiring and sensor
Open-circuit Pt100 Sensor Open-circuit sensor PT100 (X60.1 X60.4) Check wiring and sensor
Open-circuit Pt 100 Sensor (Line Open-circuit compensation line of sensor
Compens) PT100 (X60.2 X60.4)
Meaning for the LMV5x system Troubleshooting
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
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
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
*1)
*1)
*1)
*1)
*1)
Check wiring and sensor
CC1P7550en
01.10.2003