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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
82 # SA Fault Feedback Gas (Oil) Actuator Basic unit has detected wrong state of
the gas actuator
Check CAN cabling and terminators as specified
If fault occurs sporadically: Improve EMC
If fault occurs constantly: Replace defective actuator
82
01 SA Fault Feedback Gas (Oil) Actuator CRC error
82
02 SA Fault Feedback Gas (Oil) Actuator Key error main loop counter
82
03 SA Fault Feedback Gas (Oil) Actuator No feedback for max. number
83 # SA Fault Feedback Oil Actuator Basic unit has detected wrong state of
the oil actuator
Check CAN cabling and terminators as specified
If fault occurs sporadically: Improve EMC
If fault occurs constantly: Replace defective actuator
83
01 SA Fault Feedback Oil Actuator CRC error
83
02 SA Fault Feedback Oil Actuator Key error main loop counter
83
03 SA Fault Feedback Oil Actuator No feedback for max. number
84 # SA Fault Feedback Aux Actuator 1 Basic unit has detected wrong state of
the auxiliary actuator
Check CAN cabling and terminators as specified
If fault occurs sporadically: Improve EMC
If fault occurs constantly: Replace defective actuator
84
01 SA Fault Feedback Aux Actuator 1 CRC error
84
02 SA Fault Feedback Aux Actuator 1 Key error main loop counter
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