Siemens LMV51 Series Basic Documentation page 228

Error Diagnostic Device
code code
93 --- SA
94 --- SA
95 --- SA
96 --- LC
97 --- ABE
98 --- All
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Siemens Building Technologies Basic Documentation LMV5...
HVAC Products 16 Addendum 1: List of fault status messages of LMV5... system
Display
Fault Feedback Oil Actuator Basic unit has detected a ROM-CRC er-
ror on the oil actuator when checking its
feedback signal
Fault Feedback Aux Actuator 1 Basic unit has detected a ROM-CRC er-
ror on the auxiliary actuator when check-
ing its feedback signal
Fault Feedback Aux Actuator 3 Basic unit has detected a ROM-CRC er-
ror on the auxiliary actuator when check-
ing its feedback signal
Fault Feedback Load Controller Basic unit has detected a ROM-CRC er-
ror on the load controller when checking
its feedback signal
Fault Feedback AZL Basic unit has detected a ROM-CRC er-
ror on the AZL... when checking its feed-
back signal
Fault two equal Addresses There are several components with the
same address on the CAN bus (CAN
overflow)
Meaning for the LMV5x system Troubleshooting
Check CAN cabling and terminators as specified
If fault occurs sporadically: Improve EMC
If fault occurs constantly: Replace defective actuator
Check CAN cabling and terminators as specified
If fault occurs sporadically: Improve EMC
If fault occurs constantly: Replace defective actuator
Check CAN cabling and terminators as specified
If fault occurs sporadically: Improve EMC
If fault occurs constantly: Replace defective actuator
If fault occurs sporadically: Improve EMC
If fault occurs constantly: Replace defective basic unit
Check CAN cabling and terminators as specified
If fault occurs sporadically: Improve EMC
If fault occurs constantly: Replace defective AZL...
Check to see if several users (e.g. actuators) with the same
address are connected to the CAN bus and rectify (e.g. read-
dressing the actuators)
CC1P7550en
13.08.2004