Samsung Q9FN TV Series
4 fault codes documented
Cable/satellite remote doesn't control TV
Cable or satellite box remote doesn't control TV — Power or volume issues
Your cable box or satellite box remote control is unable to turn the Samsung TV on or off, or adjust its volume.
No power indicator
TV won't turn on — Power indicator is off or solid red
The TV is not powering on. The power indicator light at the bottom of the TV may not be lit, or it may be glowing a solid red, indicating it is in standby mode but not responding to turn-on commands.
Power indicator not blinking
Remote control not working — TV power indicator doesn't blink
The TV is not responding to commands from its remote control. When you press the Power button on the remote, the power indicator at the bottom of the TV does not blink.
Weak or No Signal
Weak or No Signal / No picture or sound — Input issue or channel problem
The TV is displaying a 'Weak or No Signal' message, or there is no picture, video, or sound, or it appears distorted when connected to an external device. This can also happen when trying to find TV channels.