
226/301
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
84
03
SA
Fault Feedback Aux Actuator 1
No feedback for max. number
85
#
SA
Fault Feedback Aux Actuator 2
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
85
01
SA
Fault Feedback Aux Actuator 2
CRC error
85
02
SA
Fault Feedback Aux Actuator 2
Key error main loop counter
85
03
SA
Fault Feedback Aux Actuator 2
No feedback for max. number
86
#
LC
Fault Feedback Load Controller
Basic unit has detected wrong state of
the internal load controller
*1)
86
01
LC
Fault Feedback Load Controller
CRC error
86
02
LC
Fault Feedback Load Controller
Key error main loop counter
86
03
LC
Fault Feedback Load Controller
No feedback for max. number
87
#
ABE
Fault Feedback AZL
Basic unit has detected wrong state of
the AZL…
Check CAN cabling and terminators as specified
If fault occurs sporadically: Improve EMC
If fault occurs constantly: Replace the faulty ABE
87
01
ABE
Fault Feedback AZL5...
CRC error
87
02
ABE
Fault Feedback AZL5...
Key error main loop counter