The power does not turn off
(
The internal microcomputer has 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.
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TROUBLESHOOTING > When any problem appears