The unit is not reacting
(
The internal microcomputer is frozen, due to an external electric shock (such as lightning or
excessive static electricity) or to a drop in the power supply voltage.
Hold down
z
(power) on the front panel for more than 15 seconds to reboot the unit. If the problem
persists, disconnect the power cable from the AC wall outlet and plug it again.
(
The volume operation on the front panel is disabled.
Set “Volume Knob Lock” in the “Front Display” menu to “Off”. For details, see the following:
(
“Setting the use of the volume on the front panel” (p.309)
(
The operation of SELECT/ENTER on the front panel is disabled.
Set “Input Selector Lock” in the “Front Display” menu to “Off”. For details, see the following:
(
“Setting the use of the input selector on the front panel” (p.310)
(
The operation of SCENE on the front panel is disabled.
Set “Scene Key Lock” in the “Front Display” menu to “Off”. For details, see the following:
(
“Setting the use of the scene key on the front panel” (p.311)
330
TROUBLESHOOTING > When any problem appears