Sony MEX-BT3150U Operating Instructions Manual page 42

 Phonebook content was changed while
accessing the cellular phone.
– Access the phonebook in the cellular phone
again.
MEM FAILURE (Memory Failure)
 This unit failed to store the contact in the
preset dial.
– Make sure that the number you intend to
store is correct (page 24).
MEMORY BUSY
 This unit is storing data.
– Wait until storing has finished.
NO DEV (No Device)
 Bluetooth audio source is selected without a
Bluetooth audio device connected.
A Bluetooth audio device has been
disconnected during a call.
– Be sure to connect a Bluetooth audio device.
 Bluetooth phone source is selected without a
cellular phone connected. A cellular phone has
been disconnected during a call.
– Be sure to connect a cellular phone.
NO INFO (No Information)
 Network name and cellular phone name are
not received with cellular phone connected.
P (preset number) EMPTY
 The preset dial is empty.
UNKNOWN
 Name or phone number cannot be displayed
when browsing phonebook or call history.
WITHHELD
 Phone number is hidden by caller.
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42
For App Remote operation:
APP -------- (Application)
 Connection with the application is not made.
– Establish iPhone connection again.
APP MENU (Application Menu)
 Button operation cannot be performed while a
menu on iPhone/Android phone is open.
– Exit the menu on iPhone/Android phone.
APP NO DEV (Application No Device)
 The device with the application installed is not
connected.
– Connect the device, then establish iPhone
connection.
OPEN APP (Open Application)
 The "App Remote" application is not running.
– Start up the iPhone's application.
If these solutions do not help improve the
situation, consult your nearest Sony dealer.
If you take the unit to be repaired because of
CD playback trouble, bring the disc that was
used at the time the problem began.