Sungrow SG2K5TL User Manual page 5

Symbols on the Inverter Body
This symbol indicates that you should wait at least 10 minutes after
disconnecting the inverter from the utility grid and from the PV input before
touching any inner live parts.
Hot surface! In order to reduce the risk of burns, do not touch device hot
surface when the device is running.
Look over the user manual before any operation onto the inverter!
The installation and service of the inverter unit can only be performed by
qualified personnel.
Do not disconnect DC connectors from the unit under load!
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