Siemens LMV51 Series Basic Documentation page 250

Error Diagnostic Device
code code
3 01 BU
250/301
Siemens Building Technologies Basic Documentation LMV5...
HVAC Products 16 Addendum 1: List of fault status messages of LMV5... system
Display
Missing or faulty Control Pa- PID parameter for controller algorithm
rameters missing
Meaning for the LMV5x system Troubleshooting
Check controller parameters
*1)
If fault occurs sporadically: Improve EMC
If fault occurs constantly: Replace defective module
*2)
If fault occurs sporadically: Improve EMC
If fault occurs constantly: Replace defective module
CC1P7550en
13.08.2004