Denon AVR-4520CI Service Manual

90
Error
Code
Details of Error code Display Coping strategies
14 BlockWrite failed while rewriting Main.
M a i n * * * m i n
U p d a t i n g f a i l 1 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.
15
Error in Verify after rewriting Main
(CheckSumError).
M a i n * * * m i n
U p d a t e C h e c k N G 1 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.
20 Unable to detect USB after SBLMode.
C o n n e c t i o n f a i l
2 0
Disconnect and connect the USB
memory.
21
No FirmwareFile in USB after
SBLMode.
F i l e s N o t F o u n d
2 1
Disconnect and connect the USB
memory.
22
FirmwareFile in USB after SBLMode
for unsupported Model name/area
N o t M a t c h F i r m
2 2
Check the supported Model name/area
for the FirmwareFile.
23
Failed to obtain entire Firmware
information after SBLMode.
C o n n e c t i o n f a i l
2 3
Disconnect and connect the USB
memory.
24
TimeOut while obtaining entire
Firmware information after SBLMode
C o n n e c t i o n f a i l
2 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.
25 Failed to transit to SBLMode.
C o n n e c t i o n f a i l
2 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.
26
TimeOut in Download (writing to
SDRAM) for FirmwareDownload
D o w n l o a d f a i l
2 6
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.
27
Failed to write to EEPROM after
SBLMode.
C o n n e c t i o n f a i l
2 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.
36 Unable to detect USB.
M a i n * * * m i n
C o n n e c t i o n F a i l 3 6
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
button for ve seconds.
37 No FirmwareFile in USB.
M a i n * * * m i n
F i l e s N o t F o u n d 3 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.
38
FirmwareFile in USB for unsupported
Model name/area
M a i n * * * m i n
N o t M a t c h F i r m 3 8
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.
39 TimeOut in USBCheck
M a i n * * * m i n
C o n n e c t i o n F a i l 3 9
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.
3A
Unable to detect USB for
FirmwareDownload.
M a i n * * * m i n
C o n n e c t i o n F a i l 3 A
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.

Denon AVR-4520CI Specifications

General

Brand	Denon
Model	AVR-4520CI
Category	Receiver
Language	English