SMA SB 4200TL Multi-String - Manual (Page 14)

Device Description SMA Technologie AG
Page 14 SB4200-12:FE4804 Operating Instructions
3.2 Operating States
The different operating states are displayed with three LEDs in the lid of the Sunny
Boy 4200TL Multi-String.
You will find a complete description of all signal codes in chapter 3.2.4 "Description
of Operating States" (page 16). The operating states can be divided into three cate-
gories:
3.2.1 Normal Operating States
As long as no LED or only the green LED is blinking, the Sunny Boy 4200TL Multi-
String is in one of its normal operating states. If all three LEDs are on, the inverter is
in its initialization phase which is a normal operating state as well. All other signals
indicate a disturbed operating state.
Especially in the first year after installation the operator of the plant
should regularly have a look at this display at different times of the day
and at different insolation.
Photovoltaik-Stringwechselrichter
Photovoltaic string inverter