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SMA SUNNY WEBBOX User Manual

Page 81

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SMA Solar Technology AG / SMA America, LLC

Troubleshooting

User Manual

SWebBox-BA-en-36

81

Sunny WebBox is
unable to detect an
inserted SD card.

External storage is disabled in
the Sunny WebBox settings.

Enable external storage in the
Sunny WebBox settings (see Section 9.6
"Saving Recorded Data on an SD Card"
(page 53)).

The SD card is not formatted
with the FAT16 file system.

Format the SD card with the FAT16 file
system.

The Sunny WebBox does not
support SD cards with storage
capacities of more than 2 GB or
SDHC cards.

Use SD cards with a maximum of 2 GB
of storage capacity.

The SD card is not compatible
with the Sunny WebBox.

Use one of the SD cards supplied by
SMA. Compatibility with all SD cards
available on the market cannot be
guaranteed.

The "SMACOM" LED
lights up red.

More than one master is
connected on the RS485
communication bus.
On a communication bus, a
master can access the shared
communication bus at any time.
It does not have to take other
devices into consideration.
If more than one master is
connected to the communication
bus, the devices will block each
other.

Make sure that no more than one master
is connected to the RS485
communication bus. SMA devices which
can be connected to a communication
bus as a master include the
Sunny WebBox and Sunny Boy Control.

The "SYSTEM" LED
lights up red.

The operating system of the
Sunny WebBox is damaged.

Contact the SMA Service Line.

Problem

Cause

Remedy