SMA SUNNY BOY 5.0 - Updating the Firmware

3. Recommission the inverter (see inverter installation manual).
4. If the event with the event number 4301 appears in the display, immediately tap on the
enclosure lid twice in quick succession. Here, the operation inhibition can only be reset if the
event is showing in the display when you begin tapping.
☑ This effects resetting of the operation inhibition and the inverter will start feeding in again. At
the same time, the blue LED can flash rapidly, indicating that there is an active WPS function.
The WPS function deactivates automatically after a short period.
Reset the operation inhibition by parameter setting
1.
Danger to life due to electric shock
• Disconnect the inverter from any voltage sources (see the inverter installation manual).
2. Ensure that the PV modules, the connected DC cables and the connecting terminal plate for the
DC connection are not defective.
Repair or replace defective PV modules, DC cables or connecting terminal plate for the DC
connection.
3. Recommission the inverter (see inverter installation manual).
4. Activate the user interface (see Section5.1, page19).
5. Log into the user interface as an Installer (see Section5.2, page22).
6. Reset the operation inhibition by setting one of the following parameters:
• Select the parameter Reset operating data and set to Reset operation inhibition.
or
• Select the parameter AFCI switched on and set to No and then back to Yes.
☑ This effects resetting of the operation inhibition and the inverter will start feeding in again.
8.5 Updating the Firmware
If no automatic update is set in the communication product (e.g. Cluster Controller) or via the user
interface of the inverter, you have two possibilities to update the inverter firmware:
• Updating firmware via the user interface of the inverter.
• Updating the firmware via USB flash drive.
Updating firmware via the user interface
Requirement:
☐ An update file with the desired inverter firmware must be available. The update file is, for
example, available for download on the product page of the inverter at www.SMA-Solar.com.
Procedure:
1. Activate the user interface (see Section5.1, page19).
2. Log into the user interface (see Section5.2, page22).
3. Select the menu System Configuration.
8 Troubleshooting
SMA Solar Technology America LLC
User Manual 59SB5.0-6.0-1SP-US-40-BA-en-10