
Replacing the Varistors SMA Technologie AG
Page 54 SB25_30-11:SE0307 Installation Guide
If no ground fault and no defective varistor were found, there is probably a fault in the
Sunny Boy. In this case, contact the SMA Hotline to discuss what to do next.
14. Now check whether the LED display on the
Sunny Boy indicates that the device is
functioning correctly.
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