5. Switch the inverter to Start.
6. Open the doors of the interface cabinet.
7. Check whether the DC load-break switch is switched on and indicating the position On.
If the DC load-break switch is not switched on or not indicating the position On, contact (see Section17
"Contact", page256).
8. Switch the inverter to Stop.
9. Test the switching process three times.
10. Close the doors of the interface cabinet.
10 Maintenance
SMA Solar Technology AG
System Manual 157MVPS22JP-SH-en-11
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