Invalid configuration for the load control
This disturbance message indicates that invalid combinations have been detected on the load control inputs of the Power Reducer Box or of the SMA Cluster Controller.
Corrective measures:
Check whether:
– the inputs are configured correctly
– the relay assignment is correct
– the relays are intact
Any work on the inverter, the communication products and the cabling of the PV array may only be carried out by an electrically qualified person. SMA accepts no liability for the information and solutions given in the Online Service Center. Additional information can be found in our Online Service Center’s terms and conditions of use.