SMA WB 5000A-11 - Manual (Page 17)

SMA Solar Technology AG Troubleshooting
User Manual WB5A-6A-BA-BEN114530 17
7 Troubleshooting
7.1 Status Messages
Your inverter can be in various operating states. These are displayed as status messages, which can
vary according to the type of communication.
Message Description
Balanced The inverter has disconnected from the power distribution grid or
is limiting its power over a 10-minute average to 4.6 kVA
(in Italy: 6 kVA). The inverter is a part of a 3-phase system with
2 further inverters and is equipped with the SMA Power Balancer
to prevent the formation of unbalanced loads.
Derating Overtemperature in the inverter. The inverter reduces its output to
prevent overheating. To avoid unnecessary output losses, check
the plant configuration. Inform your installer.
Disturbance, disturbance Disturbance.
This message appears for safety reasons and ensures that the
inverter does not connect to the power distribution grid.
Inform your installer.
Error An error has been detected. Inform your installer.
Earthfault Measurement of the insulation resistance of the small wind turbine
system.
Grid monitoring Grid monitoring
This message appears during the startup phase before the inverter
is connected to the power distribution grid.
Off Grid The inverter is in "Island" mode. This mode is specially designed for
operation in an off-grid system.
Offset Offset adjustment of the measurement electronics.
Stop Operation interrupted.
Turbine The inverter is in the operating state "Turbine". This mode is
specially designed for operation on small wind turbine systems.
V-Const Constant voltage mode.
Waiting The connection conditions are not (yet) fulfilled.