When Camera/Network Error Code Is " " Indicated On The Indoor Temperature Display Area - Samsung AF28FVSDA N Series Service Manual

Troubleshooting
4-4-3 When camera/network error code is "
1. Cause of malfunction
1) Faulty indoor camera/network PBA itself
2) Faulty WIRE between indoor camera/network and Panel PBA
2. Check procedure
Is the voltage between
numbers 3 and 4 of CN600 12V?
(Camera/network PBA)
Does the voltage
between numbers 3 and 9, and
numbers 3 and 10 of CN600 fluctuate between
0V~5V? (Check communications
Re-inspect after power reset
4-12
Yes
port)
Yes
" indicated on the indoor temperature display area
No
No
Replace faulty Panel PBA
Faulty camera/network PBA
Samsung Electronics