Denon AVR-4520CI Service Manual

91
Error
Code
Details of Error code Display Coping strategies
3B
No FirmwareFile for
FirmwareDownload.
M a i n * * * m i n
F i l e s N o t F o u n d 3 B
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.
3F Failed to transit to SBLMode.
M a i n * * * m i n
C o n n e c t i o n F a i l 3 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.
50 Unable to detect USB.
S u b * * * m i n
C o n n e c t i o n F a i l 5 0
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.
51 No FirmwareFile in USB.
S u b * * * m i n
C o n n e c t i o n F a i l 5 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.
52
FirmwareFile in USB for unsupported
Model name/area
S u b * * * m i n
N o t M a t c h F i r m 5 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.
54
Error notication received while
requesting FirmwareInfo.
S u b * * * m i n
U p d a t i n g f a i l 5 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.
55 TimeOut while obtaining Firmware
S u b * * * m i n
U p d a t i n g f a i l 5 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.
56
Unable to detect USB for
FirmwareDownload.
S u b * * * m i n
C o n n e c t i o n F a i l 5 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.
57
No FirmwareFile for
FirmwareDownload.
S u b * * * m i n
F i l e s N o t F o u n d 5 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.
5A
Invalid DeviceID in response or no
response from Sub for "C" command.
S u b * * * m i n
C o n n e c t i o n F a i l 5 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.
5B
NACK received in response or no
response from Sub for "L" command.
S u b * * * m i n
U p d a t i n g f a i l 5 B
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.
5C
No UpdatePacket received from
DM860A (TimeOut).
S u b * * * m i n
U p d a t i n g f a i l 5 C
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.
5D
Abnormal data in UpdatePacket
received from DM860A (FormatError).
S u b * * * m i n
U p d a t i n g f a i l 5 D
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.
5E
Abnormal data in UpdatePacket
received from DM860A
(CheckSumError).
S u b * * * m i n
U p d a t i n g f a i l 5 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.

Denon AVR-4520CI Specifications

General

Brand	Denon
Model	AVR-4520CI
Category	Receiver
Language	English