SMA EV Charger 7.4 - Troubleshooting Common Issues; Resetting Administrator Account; Understanding Event Messages

11 Troubleshooting
SMA Solar Technology AG
Operating manualEVCxx-10-BE-en-1048
11 Troubleshooting
11.1 Resetting the Administrator Account
If you have forgotten the administrator password for the product, you can reset the administrator
account with a device key (DEV KEY) and then assign a new password.
The device key can be used to prove the identity of the product in digital communication. It is
located on the back of the quick reference guide included with the product.
Procedure:
1. Open the user interface (see Section8.1, page38).
2. Click on [Delete administrator account?].
3. Enter device key. It is located on the back of the quick reference guide.
4. Select Login.
5. Click on [Delete].
☑ The product is restarted.
6. Establish a connection to the user interface of the product (see Section8.1, page38).
7. Create new administrator account.
11.2 Event Messages
Event number Message, cause and corrective measures
3701
Residual current
A DC residual current has been detected between EV Charger and vehicle.
Corrective measures:
• Check the user interface of the vehicle for an error message.
• Disconnect EV Charger and vehicle and reconnect to reset the error
message.
6112
Self-diagnosis > Watchdog is triggered
One task has not triggered the software watchdog.
Corrective measures:
• Contact the service.
6202
Self-diagnosis > DI converter error
The external component DI converter reports an error.
Corrective measures:
• Contact the service.