DV8555Quick Reference Guide V1.0
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Troubleshooting
Issue
Possible reason
Solution
No display after
power on
The power cord is not
properly connected.
Make sure the device is connected to
power and voltage is normal.
TV has images but
no sound
Audio cable is not connected
Re-connect the Audio cable
TV Box is MUTE
Please press mute button to restore
volume
Audio setting is abnormal
Please enter the audio and video
Settings menu, select the appropriate
sound channel and language
Volume is too low
Turn up the volume
Fail to connect to
network
Ethernet cable is not properly
connected
Please reconnect the cable.
Wi-Fi is turned off or the
signal is too weak
Please restart the Wi-Fi or adjust the
position of the device to the router.
Remote Control
Failure
Remote control is not in the
correct direction
Please aim the remote’s sensor at the
front panel’s sensor and try again and
make sure there are no obstructions
blocking between the remote and TV box
Remote control voltage is
too low
Please replace batteries
Remote control is broken
Please send it to the local maintenance
station for checking
