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Malfunction Description Remedies
406:Solar
(Warning)
No sensor found on sensor
channel 1 (solar).
If you have connected a sensor:
➡ Check the connection to
your sensor.
If you have not connected a
sensor:
➡ Check the configuration
with the Sunways Browser.
407:Temp.
(Warning)
No sensor found on sensor
channel 2 (temperature).
If you have connected a sensor:
➡ Check the connection to
your sensor.
If you have not connected a
sensor:
➡ Check the configuration
with the Sunways Browser.
Malfunction Description Remedies
408:CAN Comm
(Warning)
Communication malfunctions
occur repeatedly on the CAN
bus.
A malfunction occurs in the
data transmission on the CAN
bus.
However, a data exchange con
-
tinues to be possible.
➡ Check whether all connec-
tors of the bus lines and the
terminating resistors are
properly mounted.
➡ Check whether the bus lines
have been routed parallel to
power cables. Separate bus
lines and power cable from
each other spatially if neces
-
sary.
409:CAN Conf.
(Warning)
CAN bus is in the configuration
mode. No measured values are
transferred.
At least one unit is in the menu
item «Settings – Network
– CAN bus».
➡ Close this menu for all units.
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