Troubleshooting

Symptom Possible Problem Solution

Unit doesn’t respond
(no power) Subwoofer power cord isn’t plugged into a
wall outlet
Plug the AC cord into a wall outlet
Wall outlet is not functioning Plug another device into the same outlet to confirm the
outlet is working. Test any switches that may control the outlet
iPhone/iPod does
not dock
properly
Using no or wrong iPhone/iPod insert Make sure the dock insert is the proper fit for your iPhone/iPod
iPhone/iPod not installed properly Remove your iPhone/iPod from the dock and check for
obstruction on the connectors in the dock and on your
iPhone/iPod. Then reseat it in the dock.
Battery Low icon
always flashing Batteries are weak Replace with new batteries
Batteries were not installed properly Check to make sure the polarity ( + and – ends) matches
the diagram in the battery compartment
iPhone/iPod does not
respond to the unit iPhone/iPod is not docked properly Remove your iPhone/iPod from the dock and check for
obstruction on the connectors in the dock and on your
iPhone/iPod. Then reseat it in the dock.
Your iPhone/iPod software is outdated Upgrade software on your iPhone/iPod via iTunes. Visit
Apple.com for details.
iPhone/iPod is locked up Please make sure your iPhone/iPod is working properly
before docking into the unit. Please refer to your
iPhone/iPod manual for details.
Using 1st or 2nd generation iPhone/iPod
or other devices. iP51 cannot control those iPhone/iPod or other devices.
Subwoofer is not connected to receiver Make sure connector cable from subwoofer to receiver
is connected properly
If your iPhone/iPod is not used for some
time, it may enter deep sleep mode
Wake up iPhone/iPod (see your iPhone/iPod manual
for details)
iPhone/iPod does
not come
on immediately
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