LED
Status
LED 1
Green light.
LED 2
Irregular green/red flashing. Communication interrupted.
LED 4
Red light.
Rapidly alternating green/
red flashing.
LED 3
No light.
LED 5
LED 6
Rapid red flashing.
Rapid green flashing.
Slow green flashing.
Irregular blue flashing.
Rapidly alternating green/
red flashing.
LED 6
White/light-blue flashing.
Purple flashing.
Meaning
Interface communication OK.
Communication not possible.
Interface power supply
interrupted.
Inactive.
No valid software in the controller. Copy valid software to the Micro
Wait for reset (Micro SD card
is ignored, not available,
or not readable).
The Micro SD card does not
belong to the device.
The Micro SD card is rewritten
or deleted via the network
connection and software.
No MAC address or no valid MAC
address.
Controller is not connected to the
host.
Communication is taking place
between the controller and host.
Cause/Troubleshooting
Check whether all configured
devices are also connected.
Pins A and B were mixed up
when connecting a device.
Check device connection
and correct if necessary.
Check whether pins A and B
on the controller are connected
correctly. Overloading of the
energy supply output ports.
Possible causes include a short
circuit in the wiring, a defective
end consumer or the connection
of an external device that
requires too much energy.
Check wiring for short circuit and
remedy the issue if necessary.
Check end consumer is
functioning correctly and replace
if necessary.
If the end consumer requires too
much energy, power the end
consumer with the help of an
independent, on-site energy
source.
SD card. Notify the customer
service of the system supplier.
Insert or replace the Micro
SD card. Notify the customer
service of the system supplier.
Insert the correct Micro SD card
or use the software to validate
the Micro SD card. Notify the
customer service of the system
supplier.
Send the controller to the
customer service of the system
supplier to be repaired.
Check network infrastructure.
Check IP address on the
SD card.
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