SMA Solar Technology AG
10 Troubleshooting
Installation Manual
SB13_21TL-IA-en-65
55
3. Restart the inverter (see Section 9).
10.5.2 Checking the Function of the Varistors
Figure 14: Varistors inside the inverter
Example: Location of the earth fault
The example shows an earth fault between the second and third PV modules.
Item
Description
A
Upper connection wire
B
Middle connection wire
C
Lower connection wire with loop
