
Plena Easy Line SD Tuner BGM source
Troubleshooting | en
27
Bosch Security Systems B.V.
Installation and Operation manual
PLE-SDT_OM | V1.0 | 2012.02
9
Troubleshooting
Problem
Possible cause
Possible solution
The unit does not work.
Power (plug) disconnected, the
unit is switched off or the mains
fuse is broken.
Insert power cord and switch on
the unit. Check the mains fuse.
USB/SD storage device
not detected.
Device does not comply with
USB mass storage.
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)
USB hub in use.
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.
Format not supported.
Use only FAT32 format.
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.
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.
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.
Reformat the USB or SD card
with a PC that has been known
to give good results.
Can’t play MP3 or AAC
tracks
Format not supported.
Refer to section
3.4
on
supported formats. Basically
MP3’s are supported up to 320
kbps.
Files are copy-protected.
Cannot be used on this unit.
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