Siemens LMV51.000B2 - Page 223

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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
61 # BU Internal Fault Basic Unit Fault in connection with EEPROM ini-
tialization
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
61 01 BU Internal Fault Basic Unit Fault during initialization of EEPROM
61 02 BU Internal Fault Basic Unit Number of write attempts exceeded
61 10 BU Internal Fault Basic Unit EEPROM was busy when accessed
61 11 BU Internal Fault Basic Unit Comparison of EEPROM and RAM area
revealed dissimilarity
61 12 BU Internal Fault Basic Unit Page area of EEPROM exceeded during
write process
61 13 BU Internal Fault Basic Unit Access conflict µC1 <> µC2 (aritation)
61 20 BU Internal Fault Basic Unit Fault when calling the "ParAccess()"
function
61 21 BU Internal Fault Basic Unit Written EEPROM block unequal RAM
block
61 22 BU Internal Fault Basic Unit CRC of page is faulty
61 23 BU Internal Fault Basic Unit Matching fault µC1, µC2 when saving the
error page
70 # BU Internal Fault Basic Unit Fault during restoring of lockout informa-
tion
*1)
70 01 BU Internal Fault Basic Unit When reading from EEPROM (initializa-
tion)
70 02 BU Internal Fault Basic Unit When test writing in the initialization
70 03 BU Internal Fault Basic Unit No write access to error page in init.
70 04 BU Internal Fault Basic Unit Rep. counter "Internal fault" has elapsed