User Guide Part 2
Sonos Digital Music System User GuideA-6
State Mute Button 
Indicator
ZonePlayer 
Status 
Indicator
Additional 
Information
ZonePlayer 
overheat warning
Solid amber The ZonePlayer is 
beginning to experience 
an inadequate cooling 
condition and will reduce 
to 75% volume
•  Check the ZonePlayer 
vents for adequate 
cooling
•  Check for speaker 
shorts
•  Mute the sound or 
unplug the ZonePlayer 
for several minutes to 
allow it to cool 
ZonePlayer 
overheat shutdown 
(mute)
Long amber, 
short white, 
repeat
If the inadequate cooling 
condition (above) is not 
remedied, the ZonePlayer 
will automatically mute 
itself to prevent damage 
to the ZonePlayer
Diagnostics mode  Solid or flashing 
red
You may be instructed to 
enter Diagnostics mode 
by a technician when you 
call Customer Support to 
report a problem. 
If you inadvertently enter 
diagnostics mode, touch 
the Mute button to exit. 










