Operation
NT 10000...NT 12000 53
404:CAN bus CAN bus not in operation. No communication is possible via the CAN
bus.
Check the bus cables and termination
resistors.
Check whether the maximum line
lengths are within the permitted li-
mits.
Check whether bus cables were ins-
talled parallel to power cables. Sepa-
rate bus lines and power cable from
each other spatially if necessary.
405:CAN user CAN user does not respond. Check whether an error has occurred
in the secondary CAN unit. Restart
the secondary unit and main unit if
necessary.
406:file def Language file could not be loaded. Restart your Solar Inverter. Carry out
a software update for the language
file.
407:file def Website could not be loaded. Restart your Solar Inverter. Install the
latest file for the website via a soft-
ware update.
408:file def File with error messages could not be loa-
ded.
Restart your Solar Inverter. Install the
latest file for the error messages via a
software update.
409:CAN-ID Two Solar Inverters were assigned the
same ID.
Select one of the two devices with
identical CAN ID and set it to Single
Unit mode, thereby deactivating the
CAN ID.
Then set the device directly in to Se-
condary Unit mode and assign a new
CAN ID.
Interface/communication warnings
501:Solar
(Warning)
No sensor found on sensor channel 1 (so-
lar).
If a sensor is connected:
Check the sensor connection.
If no sensor is connected:
Check the configuration via the Sun-
ways Browser.
502:Temp.
(Warning)
No sensor found on sensor channel 2
(Temperature).
If a sensor is connected:
Check the sensor connection.
If no sensor is connected:
Check the configuration via the Sun-
ways Browser.
Display message Description Cause and possible remedies
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