Sony STR-AZ7000ES Startup Manual page 388

Help Guide
Multi Channel AV Receiver
STR-AZ7000ES/STR-AZ5000ES/STR-AZ3000ES
The receiver is turned off automatically.
If [Auto Standby] is set to [On], set it to [Off].
[PROTECTOR] or [THERMAL] was activated.
Related Topic
Setting the receiver to switch to standby mode automatically (Auto Standby)
[PROTECTOR] or [THERMAL] appears on the display panel.
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