No confirmation after deleting the file custom.xml
If you perform the following steps, the file custom.xml will be deleted immediately without displaying a dialog
box confirming the deletion.
• Save the file custom.xml before deleting it.
Procedure:
1. Log into the user interface as an installer (see Section12.8.1, page177).
2. Select SunnyCentral > Settings > System.
3. In the field Upload settings (custom.xml), select the button [Delete].
☑ The file custom.xml is immediately deleted.
4. To log off from the user interface, select the button [Logout].
6.5.15 Resetting the Communication Unit
Resetting the communication unit will restore all of its original default settings. If you have uploaded an XML file
custom.xml, the settings of this file will be adopted (see Section6.5.14.1 "Uploading the File custom.xml", page92).
Perform data backup
• Before you reset the communication unit, note down all settings such as network or portal settings.
• To avoid data loss, be sure to back up your operating data.
PV system identifier in SunnyPortal
If you reset all settings, all settings for logging into SunnyPortal will also be deleted. If you restart the
communication unit after the reset without changing any settings, the communication unit will create a new PV
system with a new PV system identifier in Sunny Portal.
• If the data is to be sent to the existing PV system in Sunny Portal, adjust the identifier of the old PV system (see
Section8.2.2.2, page106).
• Enter the e-mail address of a user who has SunnyPortal administrator rights for the PV system.
Procedure:
1. Log into the user interface as an installer (see Section12.8.1, page177).
2. Select SunnyCentral > Info.
3. Select the button [Default setting].
☑ A security prompt opens.
4. Select the button [Confirm].
5. To log off from the user interface, select [Logout].
6.6 Function Test
6.6.1 Checking the Fans
Danger to life due to electric shock or electric arc if live components are touched
• Switch off the inverter and wait at least 15minutes before opening it to allow the capacitors to discharge
completely.
• Disconnect the inverter (see Section7, page96).
6 Commissioning
SMA Solar Technology AG
System Manual 93MVPS22JP-SH-en-11