Samsung KU6500 Manual page 32

Network Troubleshooting
TV
TV to Router
✓
Check Network Status
✓
Wired & Wireless MAC Address in Customer Support Menu.
▪
No Wired MAC Address: Replace Main Board
▪
No Wireless MAC Address:
✓ Module cabling & voltages from Main Board.
▪
If operating voltages are OK but signal missing
Replace WiFi Module (WiFi/Bluetooth Module)
✓ Proper security passcode
✓
Check Wi-Fi signal strength at TV (use WiFi Analyzer or similar App)
▪
Try another source (Hot spot or Test Router)
✓
Check related Bulletins
✓
Check Factory Mode / SVC / Info/ WiFi Error Count
(replace module for high error counts)
Router
"Failure"
Internet
Router to Network "Failure"
✓
Check Network Status
▪
Instruct the customer the TV has proper connection to t
he router and is likely OK.
✓
Check other devices using network are OK. If they test
OK this does not mean the TV should be working.
▪
Try another source (Hotspot) to test/show TV Network
operation.