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10.
Troubleshooting
Problem
Remedy
Image drop
(All decoder output)
- Check Jumbo Frame specification of network switch. Change Jumbo
Frame ‘
Disabled
’ on Environment Setup(Ribbon Menu) when
network switch doesn’t support Jumbo Frame
- Check IGMP, IGMP Snooping setup of network switch. If network
switch doesn’t support IGMP, there is limit of multicast operation,
thus new network switch is needed.
- Check port speed of network switch. 1G support required.
- Check port speed of encoder. Change LAN cable for 1G connection
- Check bandwidth when configured network with multiple switchers.
- Change EDID
Image drop
(Partial decoder
output)
- Check port speed of network switch. 1G support required.
- Check port speed of decoder. Change LAN cable for 1G
- Check HDMI cable
- Change EDID
No video output
(All decoder output)
- Check condition of every cable (HDMI / UTP)
- Check IP address of all devices are in same network class
(Ex : 192.168.0.xxx)
- Check OSD (On Screen Display)
1) Change resolution from Decoder Layout Setup
2) Change resolution of display source. When display source
resolution is high than display (Ex; source: 4K, display: 1080p)
3) Check input setup of display and power if can’t check OSD
number
- Change EDID
No video output
(Partial decoder output
- Change resolution of display source. When display source
resolution is high than display (Ex; source: 4K, display: 1080p)
- Check IP address of all devices are in same network class
(Ex : 192.168.0.xxx)
- Change HDMI cable
- Reboot corresponding decoder