Siemens LMV5 Series Basic Documentation page 216

Error Diagnostic Device
code code
A4 # SA
A4 See A1 See A1
A5 # SA
A5 See A1 See A1
A6 # LC
A6 10 LC
A6 12 LC
A6 13 LC
A6 14 LC
A6 15 LC
A6 16 LC
A6 17 LC
A6 18 LC
A6 22 LC
A6 30 LC
A6 31 LC
A6 32 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
Auxiliary actuator 1 has detected own
fault and reported it to the basic unit.
Type of fault: See diagnostic code
See A1
Auxiliary actuator 2 has detected own
fault and reported it to the basic unit.
Type of fault: See diagnostic code
See A1
Internal load controller has detected own
fault and reported it to the basic unit.
Type of fault: See diagnostic code
No actual Value Slope at End of
Identification
Adaption invalid Invalid XP identified
Adaption invalid Invalid TN identified
Adaption invalid TU longer than identification time
Adaption invalid Invalid TN identified
Timeout with Adaption Timeout during observation time
Cold Start thermal Shock
Protection active
Timeout with Adaption Timeout during delivery of adaption rate
and while process is being watched
Setpoint Temp Controller above
maximum Limit
Internal Fault Load Controller EEPROM does not respond within the
expected period of time
Internal Fault Load Controller
Max. number of EEPROM attempts
exceeded
Internal Fault Load Controller Fault during opening of page
Meaning for the LMV5x system
See A1
See A1
Troubleshooting
If fault occurs sporadically: Improve EMC.
If fault occurs constantly: Replace defective actuator
See A1
If fault occurs sporadically: Improve EMC.
If fault occurs constantly: Replace defective actuator
See A1
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CC1P7550en
01.10.2003