Siemens LMV51 Series Basic Documentation page 224

Error Diagnostic Device
code code
71 --- BU
72 # BU
72 01 BU
72 02 BU
72 03 BU
72 04 BU
80 # SA
80 01 SA
80 02 SA
80 03 SA
81 # SA
81 01 SA
81 02 SA
81 03 SA
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Siemens Building Technologies Basic Documentation LMV5...
HVAC Products 16 Addendum 1: List of fault status messages of LMV5... system
Display
Manual Lockout Lockout was made manually via contact Lockout via the external reset / lockout contact is negated
Internal Fault Basic Unit Plausibility fault in connection with fault
entry
Internal Fault Basic Unit Fault in "seterr()"
Internal Fault Basic Unit Fault in "seterr()"
Internal Fault Basic Unit Fault in "error_manager()"
Internal Fault Basic Unit Fault in "storeerr()"
Fault Feedback Aux Actuator 3 Basic unit has detected wrong state of
the air actuator
Fault Feedback Aux Actuator 3 CRC error
Fault Feedback Aux Actuator 3 Key error main loop counter
Fault Feedback Aux Actuator 3 No feedback for max. number
Fault Feedback Air Actuator Basic unit has detected wrong state of
the air actuator
Fault Feedback Air Actuator CRC error
Fault Feedback Air Actuator
Key error main loop counter
Fault Feedback Air Actuator
No feedback for max. number
Meaning for the LMV5x system Troubleshooting
by new actuation
*1)
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
CC1P7550en
13.08.2004