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SMA Solar Technology AG
10 Messages
10.1 The green LED is glowing or flashing
Green LED is glowing
• If the green LED is glowing, the inverter is in feed-in operation.
Green LED is flashing
• If the green LED flashes over a long period, this can mean that there is not sufficient DC voltage
available due to insufficient irradiation.
No display in the event of insufficient DC voltage
Measurements and the issuing of messages are only possible when there is sufficient
DC voltage.
10.2 Event messages
During an update, the relevant display message is shown in the text line of the display.
Display
< Avvio Autotest >
< Inst.code valid >
< No new update SDcard >
< Grid param. unchanged>
< Parameters set successfully >
< SD card is read >
< Set parameter >
< Update completed >
< Update Bluetooth >
< Update display >
< Update main CPU >
< Update communication >
Installation Guide
Description
Only relevant for an installation in Italy: start the self-
test by tapping on the display according to
ENEL‑Guida (see section 7.3 "Self-Test in accordance
with ENEL Directive, Ed. 1.1 (Applies to Italy only)"
(page 54)).
The SMA guard grid code entered is valid.
The configured country data set is now unblocked
and can be changed.
If the configured country data set is protected, the
unlocking is valid for a maximum of 10 feed-in hours.
There is no update file relevant for this inverter on the
SD card or the available update has already been
carried out.
The selected switch setting is not programmed or
there is no country data set available on the SD card.
A new country data set has been configured.
The inverter is currently reading the SD card.
The inverter sets the parameters.
The inverter has successfully completed the update.
Successful update of the Bluetooth components.
Successful update of display.
Successful update of inverter component.
Successful update of communication component.
SB20_25_30HF-IEN102911
Messages
67
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