5 Operation
53
Display message Description Cause and possible remedies
308:M incom
309:Control
The software version of the control and
the monitoring software is incompatible.
· Carry out a software update.
310:no config No country is set. Contact the technical hotline for the
installer password. (The phone number
is provided on the back of the manual.)
Reset the country according to the
explanatory note 4.2 Commissioning,
page 29
Interface/communication fault
401:SD card The Solar Inverter cannot find an SD
card.
· Restart the Solar Inverter.
If the error still occurs, please contact the
technical hotline. The phone number is
provided on the back of the manual.
402:SD card The SD card is write-protected. · Restart the Solar Inverter.
If the error still occurs, please contact the
technical hotline. The phone number is
provided on the back of the manual.
403:CAN user Communication error with CAN user. · Check whether an error has occurred
in the CAN slave. Restart slave and
master if necessary.
404:CAN bus CAN bus not in operation. No communication is possible via the
CAN bus.
· Check the bus lines and the terminat-
ing resistors.
· Check whether the maximum permis-
sible line lengths have been complied
with.
· Check whether the bus lines have
been routed parallel to power cables.
Separate bus lines and power cable
from each other spatially if necessary.
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