15.2 Troubleshooting
'Press Play…'
Spotify mode – Waiting for
playback information;
for example, when the
audio playback is moved by
the Spotify app to a
different audio speaker
or the smart device itself.
Example
Description
Messege
'DAB:'No stations
available'
message'
'Cannot connect
to network
Low signal strength
Low signal strength
Network down
Solutions
Cause
Problem
FM: Hiss
DAB: burbling/
intermittent
cut-out
Check/move antenna
Move radio
Rescan local (high-strength)
stations only
For DAB, check local coverage at
www.ukdigitalradio.com/coverage
As above then rescan
stations.
Check that network is working
between a computer and
the router
Obtain the M4+ MAC address
from Menu < System settings >
Network > View settings and
add to router list.
Router restricts
access to listed
MAC addresses
Note: M4+ has separateMAC
addresses for wired and wireless
networks only the current network
adaptor method address is
displayed, but the other address
can be obtained by changing the
first pair of digits between '00'(
wireless) and '02'(wired)
Insufficient Wi-Fi
signal strength
Unusual network
configuration
Unknown
encryption method
Firewall
preventing
access
Check distance to router; see if a
computer can connect to the
network in this location
Setup network manually through
Menu> System settings > Network
>Manual settings
Change encryption method on router.
M4+ supports WEP, WPA and WPA2
Check the following ports are open on
the router: UDP and TCP ports 80 and
123; DNS port 53.
Windows shares:ports 135– 139 and
445.
Windows Media Player: varies– non-
Microsoft firewalls may require
configuration for UPnP.
'Cannot connect
to network
Solutions
Cause
Problem
Internet connection
down
Firewall preventing
access
Station not
broadcasting,
overloaded or
insufficient
bandwidth.
Station broadcasting
using unknown
codec.
Link out of date.
Check that Internet is working for
a computer connected to the
same network
Check the following ports are open:
UDP and TCP ports 80 and 123;
DNS port 53.
Some Internet radio stations may
require additional ports to be opened.
Try other stations; try listening on
computer via Internet radio portal
website; try later.
'
Cannot connect
to Internet
'
Cannot play
particular
Internet radio
station
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