Power does not turn on / Power is turned off

Check whether the power plug is correctly inserted into the power outlet. link

This unit is in standby mode. Press the button on the unit or the POWER button on the remote control. link

The sleep timer is set. Turn on the power again. link

The unit is set to auto standby mode. The auto standby mode automatically switches the unit to standby if there are no operations for more than 15 minutes. To disable auto standby mode, set “Auto-Standby” in the menu to “Off”. link