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Sonos Multi-Room Music System User GuideA-6
• Make sure MUTE is not on.
ZonePlayer volume level reduces
If the ZonePlayer status indicator changes to solid amber, and the volume reduces to
75%, this indicates that the ZonePlayer is experiencing a fault condition.
• Check the ZonePlayer vents to ensure they are not blocked.
• Check for speaker short circuit.
• Mute ZonePlayer or unplug it for several minutes to allow it to cool.
ZonePlayer has stopped playing music
If a ZonePlayer stops playing music, and the ZonePlayer status indicator lights are
flashing (long amber, short white, repeat) this indicates that the ZonePlayer has
experienced a fault condition and has automatically muted itself to prevent damage to
the ZonePlayer.
• Check the ZonePlayer vents to ensure they are not blocked.
• Check for speaker short circuit.
• Unplug the ZonePlayer for several minutes to allow it to cool.
• Mute and unmute the ZonePlayer.
See "ZonePlayer Status Indicator Explanations" on page A-10 for more information on
LED lights.
Sound produced from only one speaker
• Make sure speaker is connected securely.
• Make sure balance control is set correctly.
Cannot access radio, online updates, or registration
• Your firewall may be blocking outgoing connections to the Internet. Ensure the
firewall allows access to the Internet for the Ethernet addresses of your Sonos
components.
• Your firewall may be configured so that Sonos components cannot obtain an IP
address. If so, your ZonePlayers and Controllers will display an IP address in the
169.254.xxx.yyy range, even though there is a router/DHCP server on the net-