SMA VOLTAGE STABILIZER - Manual (Page 24)

7 Maintenance and Service SMA Solar Technology AG
24 Ukonstanter-IEN103610 Installation Guide
7 Maintenance and Service
Maintenance Work:
• Press the test button on the residual current device in the Sunny Central every 2 years.
This ensures that the residual current device is working properly.
☑ The residual current device will trip and the indicator light on the service socket will go out.
✖ The residual current device does not trip or the indicator light on the service socket does not
go out?
• Replace the residual current device.
• Check that the connection cable is securely in place.
• Check the voltage stabilizer for dirt every 6 months.
• Always ensure that the vents are free of dirt or foreign objects.
• Check if the fan is functioning correctly every 12 months.
Service Work:
• Replace the capacitors after expiration of their service life. The service life of the capacitors is
limited to 100 000 hrs.
Maintenance Intervals
Observe the information in the Sunny Central maintenance guide. The maintenance guide
describes all relevant safety notes and maintenance intervals.