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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 17 LC Cold Start thermal Shock Protec-
tion active
*1)
A6 18 LC Timeout with Adaption Timeout during delivery of adaption rate
and while process is being watched
*1)
A6 22 LC Setpoint Temp Controller above
maximum Limit
*1)
A6 30 LC Internal Fault Load Controller EEPROM does not respond within the
expected period of time
*1)
A6 31 LC Internal Fault Load Controller Max. number of EEPROM attempts ex-
ceeded
*1)
A6 32 LC Internal Fault Load Controller Fault during opening of page *1)
A6 33 LC Parameter Set damaged Invalid CRC when reading a page Reset the unit, repeat backup restore if necessary
A6 34 LC Internal Fault Load Controller Page cannot be set to FINISH *1)
A6 35 LC Internal Fault Load Controller No access to PID after identification *1)
A6 36 LC Internal Fault Load Controller No access to PIDStandard after identifi-
cation
*1)
A6 37 LC Internal Fault Load Controller No reading of EEPROM write access for
PID possible
*1)
A6 38 LC Internal Fault Load Controller No EEPROM write access for PID possi-
ble
*1)
A6 39 LC Internal Fault Load Controller No EEPROM write access for PIDStan-
dard possible
*1)
A6 3A LC Internal Fault Load Controller No access if reception via COM *1)
A6 3B LC Internal Fault Load Controller Invalid page access *1)
A6 40 LC Internal Fault Load Controller 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 AZL… pa-
rameters.
Otherwise, replace defective basic unit
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