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Plena Easy Line SD Tuner BGM source
9
Troubleshooting
Problem
The unit does not work.
USB/SD storage device
not detected.
Can't play MP3 or AAC
tracks
Bosch Security Systems B.V.
Possible cause
Power (plug) disconnected, the
unit is switched off or the mains
fuse is broken.
Device does not comply with
USB mass storage.
USB hub in use.
Format not supported.
The connection with the unit has
been terminated because an
electrical current stronger than
allowable was applied to the
unit's USB1 or USB2 port.
Partitioning of SD card is wrong.
Apart from SD, SDHC and class
of SD cards, it is also possible
that the card has a different
partition table then expected.
Format not supported.
Files are copy-protected.
Installation and Operation manual
Troubleshooting | en
Possible solution
Insert power cord and switch on
the unit. Check the mains fuse.
Use a device complying with
USB mass storage class (some
portable audio players included
in the class of image devices are
not supported. Also, some flash
card readers cannot be
detected)
Some USB hubs will not operate
properly. Try a different USB
hub, or connect the storage
device directly to the USB port.
Also, if multiple USB storage
devices are connected through a
USB hub, only one of the devices
will be recognized.
Use only FAT32 format.
Wait several minutes. The rating
(allowable current) for this unit
is 500 mA or less per USB port.
Use USB storage devices that
meet these standards. If you
have a USB storage device
connected through a bus-
powered USB hub, connect the
USB storage device directly to
this unit port.If shorted a long
time the USB port will become
defective.
Reformat the USB or SD card
with a PC that has been known
to give good results.
Refer to section 3.4 on
supported formats. Basically
MP3's are supported up to 320
kbps.
Cannot be used on this unit.
PLE-SDT_OM | V1.0 | 2012.02
27
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