Siemens LMV5 Series Basic Documentation page 211

Error Diagnostic Device
code code
01
86 LC
02
86 LC
03
86 LC
87 # ABE
01
87 ABE
02
87 ABE
03
87 ABE
88 # All
01
88 SA
02
88 LC
03
88 ABE
04
88 FuM
05
88 O2M
90 - SA
Siemens Building Technologies Basic Documentation LMV51...
HVAC Products 15 Addendum 1: List of fault status messages of LMV51... system
Display
Fault Feedback Load Controller CRC error
Fault Feedback Load Controller Key error main loop counter
Fault Feedback Load Controller No feedback for max. number
Fault Feedback AZL Basic unit has detected wrong state of the
AZL...
Fault Feedback AZL5... CRC error
Fault Feedback AZL5... Key error main loop counter
Fault Feedback AZL5... No feedback for max. number
Plausibility fault NMT
Fault Feedback Actuator Undefined fault class of SA
Fault Feedback Load Controller Undefined fault class of LC
Fault Feedback AZL Undefined fault class of AZL
Fault Feedback VSD Module Undefined fault class of VSD module
Fault Feedback O2 Module Undefined fault class of O2 module
Fault Feedback Aux Actuator 3 Basic unit has detected a ROM-CRC error
on the air actuator when checking its
feedback signal
Meaning for the LMV5x system Troubleshooting
If fault occurs sporadically: Improve EMC.
If fault occurs constantly: Replace the faulty ABE
If fault occurs sporadically: Improve EMC.
If fault occurs constantly: Replace defective AZL...(see
diagnostic code) or basic unit
If fault occurs sporadically: Improve EMC
If fault occurs constantly: Replace defective actuator
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CC1P7550en
01.10.2003