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Problem
Cause and corrective measure
The correct number of connected in-
verters is not shown on the display.
Communication with at least one inverter is disturbed.
Either the Cluster Controller has not yet registered with
one or more inverters or the connection to one or more in-
verters has been interrupted.
Corrective measures:
• Wait six minutes and check again whether the
correct number of all connected inverters is
displayed.
If the correct number of connected inverters is still not
displayed:
– Ensure that the inverters are in operation (see
inverter manual).
– Ensure that the network cables that connect the
inverters with one another are correctly
connected (depending on the inverter
equipment, see the inverter manual or the
installation manual of the Speedwire/
Webconnect interface).
– Ensure that the network cable of the inverter
connected directly to the Cluster Controller is
connected to network port
X9
or
X10
of the
Cluster Controller.
– Ensure that no network components, network
cables or connectors are defective.
The expected binary values for the
digital signal source are not shown on
the display.
The digital signal source is not correctly connected.
Corrective measures:
• Ensure that the digital signal source is correctly
connected (see Section 6.12.2, page 48).
No current signal for the analog sig-
nal source or the sensor is shown on
the display.
The analog signal source or the sensor are probably not
correctly connected.
Corrective measures:
• Ensure that the analog signal source is correctly
connected (see Section 6.12.3, page 54).
• Ensure that the sensor is correctly connected (see
No measured values for the con-
nected temperature sensor are shown
on the display.
The temperature sensor is not correctly connected.
Corrective measures:
• Ensure that the temperature sensor is correctly
connected (see Section 6.11.1, page 40).
7 Troubleshooting
SMA Solar Technology AG
Installation Manual
71
ClusterController-IA-en-15
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