SMA STP 50-40 - LED Signals

4 Product Overview
SMA Solar Technology AG
Operating manual STP50-4x-BE-en-23 25
SMA Smart Connected is activated during registration in SunnyPortal. In order to use SMA Smart
Connected, it is necessary that the product is permanently connected to SunnyPortal and the data
of the operator and qualified person is stored in SunnyPortal and up-to-date.
Universal mounting system (UMS_Kit-10)
The universal mounting system enables wall mounting of the inverter or serves as platform for higher
mounting on the ground. The universal mounting system is available as an accessory.
4.4 LED Signals
The LEDs indicate the operating state of the product.
LED signal Explanation
Green LED and red LED
flash simultaneously (2 s on
and 2 s off)
No country data set set
Operation of the product is stopped because no country data set is
set. Once the configuration has been completed (for instance using
the installation assistant or via a communication product), the prod-
uct will start operation automatically.
The green LED is flashing
(twoseconds on and
twoseconds off)
Waiting for feed-in conditions
The conditions for feed-in operation are not yet met. As soon as the
conditions are met, the inverter will start feed-in operation.
The green LED flashes
quickly
Update of central processing unit
The central processing unit of the inverter is being updated.
The green LED is glowing Feed-in operation
The inverter feeds in with a power of at least 90%.
The green LED is pulsing Feed-in operation
The inverter is equipped with a dynamic power display via the green
LED. Depending on the power, the green LED pulses fast or slow. If
necessary, you can switch off the dynamic power display via the
green LED.
The green LED is off The inverter is not feeding into the utility grid.
The red LED is glowing Event occurred
If an event occurs, a distinct event message and the corresponding
event number will be displayed in addition on the product user inter-
face or in the communication product (e.g. SMADataManager).
The blue LED flashes slowly
for approx. 1 minute
Communication connection is being established
The product is establishing a connection to a local network or is es-
tablishing a direct connection to a smart device via Ethernet (e.g.
smartphone, tablet or laptop).