LED
Status
Cause and corrective measure
Status (
)
flashing yellow
An update of the Cluster Controller or the con-
nected devices is currently taking place.
The active power limitation is active and the de-
fault value is above 0% and below 100%.
The reactive power setpoint is active. The default
value is not 0% or the displacement power factor
cos φ is below 1.
glowing red
The active power limitation is active and the de-
fault value is 0%.
At least one device has the status
Error
.
Corrective measures:
• Check the Cluster Controller event log (see
• Refer to the device documentation.
Status (
)
glowing red
Communication with all devices is disturbed. There
is a problem in the LAN.
Corrective measures:
• Ensure that the network cables are correctly
connected (see the Cluster Controller
installation manual).
• Check whether the network components,
network cables or connectors are defective
or damaged. Replace defective or damaged
network components, network cables or
connectors.
• Check whether the network settings of the
individual network components are correct.
Adapt the network settings if required.
• Restart the Cluster Controller if required.
Disconnect the Cluster Controller from the
voltage supply and reconnect it to the
voltage supply.
• If required, assign a fixed IP address for the
Cluster Controller (see Section 17.1.1, page
86).
• If the problem persists, contact the network
administrator.
18 Troubleshooting
SMA Solar Technology AG
User Manual
ClusterController-BA-en-15
92
