Onkyo TX-NR474 Instruction Manual page 71

> Before Start > Part Names
If an Error Message is Displayed: When an error occurs,
"¢-¢¢ Error!" is displayed on the display of the unit. ("¢"
represents an alphanumeric character.) Check the
following:
0 ¢-01, ¢-10: USB storage device not found. Check
whether the USB storage device or USB cable is
correctly inserted to the USB port of this unit.
Connect the USB storage device to an external power
source if it has its own power supply.
0 ¢-05, ¢-13, ¢-20, ¢-21: The firmware file is not present
in the root folder of the USB storage device, or the
firmware file is for another model. Retry from the
download of the firmware file.
0 Others: Disconnect then reconnect the power cord, then
repeat from the beginning.
> Install > Initial Setup > Playback
Advanced Setup | Supplementary Information | Others
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