Specifications

Mains fuse blown
Network doesn't
work
Network cable not connected
or bad network cable
Wi-Fi not connected wifi
Connect/replace network cable
Check Wi-Fi account/setting
No picture or sound HDMI/AV is not selected on
your TV
Reduce to another channel
No sound distort
sound
Volume off Speaker not
connected Speaker
The audio codec may not be
supported
Adjust the voice volume
Check Speaker connection
Speaker
Refer to the user manual
No response to remote
Control
Receiver off Handset not aimed
correctly
Front panel obstructed Hand
set batteries exhausted
Aim handset at front panel
Check for obstructions Replace
handset batteries
USB can not be
read USB
USB driver format not
compatible or Broken USB
Large file in USB driver to slowly
read USB
Replace USB driver
Remove large file in USB
playing
Video
abnormal
Video source is abnormal
Network abnormal
Video codec may not supported
Change video source
Check Wi-Fi or Ethernet status
Refer to user manual