Denon AVR-E400

Error
Code
Details of Error code Display Coping strategies
A7 TimeOut while obtaining Firmware
U p d a t i n g f a i l A 7
This unit automatically retries several
times. Wait until the FL display stops.
If the FL display stops at the Error
display, press and hold the "Power
operation (
X
)" button for ve seconds.
AE
Unable to detect USB for
FirmwareDownload.
C o n n e c t i o n F a i l A E
This unit automatically retries several
times. Wait until the FL display stops.
If the FL display stops at the Error
display, press and hold the "Power
operation (
X
)" button for ve seconds.
AF
No FirmwareFile for
FirmwareDownload.
F i l e s N o t F o u n d A F
This unit automatically retries several
times. Wait until the FL display stops.
If the FL display stops at the Error
display, press and hold the "Power
operation (
X
)" button for ve seconds.
B1
TimeOut in Download (writing to
SDRAM) for FirmwareDownload
D o w n l o a d f a i l B 1
This unit automatically retries several
times. Wait until the FL display stops.
If the FL display stops at the Error
display, press and hold the "Power
operation (
X
)" button for ve seconds.
B2
Error notication received after
rewriting DM860A Firm.
U p d a t i n g f a i l B 2
This unit automatically retries several
times. Wait until the FL display stops.
If the FL display stops at the Error
display, press and hold the "Power
operation (
X
)" button for ve seconds.
B3 Error in FirmwareUpdate (TimeOut).
U p d a t i n g f a i l B 3
This unit automatically retries several
times. Wait until the FL display stops.
If the FL display stops at the Error
display, press and hold the "Power
operation (
X
)" button for ve seconds.
B4
Failed to transit to
BootLoaderMode.
U p d a t i n g f a i l B 4
This unit automatically retries several
times. Wait until the FL display stops.
If the FL display stops at the Error
display, press and hold the "Power
operation (
X
)" button for ve seconds.
B5
Failed to transit to
ApplicationMode.
U p d a t i n g f a i l B 5
This unit automatically retries several
times. Wait until the FL display stops.
If the FL display stops at the Error
display, press and hold the "Power
operation (
X
)" button for ve seconds.
Conrming the rmware’s number after upgraded
After updating the rmware, check the version. Refer to "1.μcom/DSPVersiondisplaymode" (24 page).
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