I have a problem with the q900t, the volume control seems to freeze and is constantly pressing down. I turned off the remote control, the problem persisted. I also overloaded the sound bar and did a hard reset, it does not help.
I understand how this may be frustrating and want to help have you tried resetting your remote by taking the batteries out and holding down the power button for at least 10 seconds? Also if this doesn't help have you tried factory resetting the TV? You can do that by the following (Settings > Support > Self Diagnosis > Reset).
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