RD1720 MMi – R6, All right @ Hinston Electronics Co., Ltd.
19 4/25/2018
Hinston
Electronics
Co.,
Ltd.
MMi
for
RD
‐
1720M/RD
‐
1720S
Troubleshooting
Error
Remedy
The
device
does
not
switch
on.
Check
if
the
power
adaptor
is
connected
properly.
The
device
may
malfunction
when
used
in
areas
with
strong
radio
interference.
The
device
Will
work
properly
again
once
there
is
no
more
interference.
No
sound.
Turn
on
the
sound
as
it
may
be
muted
Increase
the
volume.
No
network
connection
can
be
established.
Check
the
WLAN
function.
Try
to
set
an
IP
address
at
the
device.
Activate
the
DHCP
function
on
the
router
and
make
the
connection
again
at
the
device.
A
firewall
is
activated
on
the
network
‐
set
the
respective
program
in
such
a
way
that
access
is
possible.
Reboot
the
unit
to
try.
WLAN
connection
cannot
be
established.
Check
the
availability
of
WLAN
network
on
the
access
point.
Place
the
device
closer
to
the
router.
Make
sure
the
WEP/WPA
password
is
correct.
No
station
is
found.
Check
the
network
as
well
as
the
access
point
and
firewall.
The
station
may
not
be
available
currently,
try
it
again
later
or
select
another
station.
The
link
of
the
station
is
changed
or
the
station
no
longer
transmits
‐
ask
the
provider
for
information.
The
link
of
manual
added
station
is
not
correct,
make
sure
it
is
correct
and
re
‐
enter.
Hiss
in
FM
mode.
Check/move
the
FM
antenna.
Move
the
radio
to
a
different
location.
Alarm
does
not
work.
Switch
on
the
alarm.
Due
to
the
volume
setting,
refer
to
the
solutions
of
“No
sound”.
The
source
of
alarm
was
set
to
be
station
but
there
is
no
network
connection.
Change
the
source
of
alarm
or
reconfigure
the
connection.
Unable
to
do
DLNA
streaming.
Check
the
connection
of
the
network.
RD1720
and
your
device
need
to
be
in
the
same
network;
and
test
if
the
network
in
good
condition.
Make
sure
the
settings
on
your
device
are
correct.
System
freezes
suddenly.
The
radio
is
overloaded,
reboot
the
unit.
The
normal
function
of
the
product
may
be
disturbed
by
strong
Electro
‐
Magnetic
Interference.
If
so,
simply
reset
the
product
to
resume
normal
operation
by
following
the
instruction
manual.
In
case
the
function
could
not
resume,
please
use
the
product
in
other
location.
WiFi
disconnect
for
each
30
,45
or
60
minutes
Check
if
AP
working
well
,
Make
sure
program
playing
,
or
try
disable
power
saving
:
setup
>>
Power
Management
>>
Turn
Off
Make
sure
“setup
>>
Setup
>>
Network
>>
Check
Network
When
Power
On
>>
Enable”.