Problem Cause and corrective measure
The login page does not open. There is a problem in the LAN.
Corrective measures:
• Ensure that the network cables are correctly
connected to the ClusterController (see the
ClusterController 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 ClusterController. Disconnect the
ClusterController from the voltage supply and
reconnect it to the voltage supply. Note that this can
lead to loss of system data.
• If the problem persists, contact the network
administrator.
The login page does not open. If the ClusterController is accessed via the Internet, there
may not currently be an Internet connection or the port for-
warding to the ClusterController from the router may be
missing or may have been set up incorrectly.
Corrective measures:
• In the event of interrupted Internet connection, restore
the Internet connection.
• If port forwarding has not been set up, set up port
forwarding to the ClusterController on the router.
• If port forwarding has already been set up on the
router, ensure that it is correct.
Login to the user interface has failed. The system password has been entered incorrectly four
times. Access to the ClusterController is suspended for
15minutes.
Corrective measures:
• Wait 15minutes, then log in with the correct system
password.
18 Troubleshooting
SMA Solar Technology AG
User ManualClusterController-BA-en-15100
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