Siemens LMV51 Series Basic Documentation page 231

Error Diagnostic Device
code code
A1 19 SA
A1 1B SA
A1 1E SA
A1 1F SA
A2 # SA
A2 See A1 See A1
Siemens Building Technologies Basic Documentation LMV5...
HVAC Products 16 Addendum 1: List of fault status messages of LMV5... system
Display
Internal Fault Air Actuator Invalid parameter access
Internal Fault Air Actuator Fault during copying of parameter page
Internal Fault Air Actuator External plausibility fault. This type of fault
covers possible faults occurring due to in-
valid presettings in the drive commands.
In response, the presettings will be ig-
nored
Internal Fault Air Actuator Internal plausibility fault. This type of fault
covers possible faults that can occur due
to strong EMC impact
Gas actuator has detected own fault and
reported it to the basic unit.
Type of fault: See diagnostic code
See A1
Meaning for the LMV5x system
See A1
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... pa-
rameters
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... pa-
rameters.
Otherwise, replace defective basic unit
Check the special positions to see if value range is valid (0-
90°)
Check CAN cabling and terminators as specified
If fault occurs sporadically: Improve EMC
If fault occurs constantly: Replace defective actuator
See A1
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CC1P7550en
13.08.2004