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SMA Solar Technology AG Maintenance and Cleaning

Installation Guide SB25_30-IEN092520 35

8 Maintenance and Cleaning

Check the correct operation of the Sunny Boy at regular intervals. Impurities such as dust or airborne

blossoms can cause heat concentration that can lead to yield losses. Also check the Sunny Boy and

the cables for visible external damage. Undertake repairs if necessary.

8.1 Check the Electronic Solar Switch for wear

Check the Electronic Solar Switch for wear before plugging it in.

Result Measure

☑ The metal tongues inside the connector

have no damage and no discoloration.

1. Attach the Electronic Solar Switch handle.

2. Commission the Sunny Boy.

☑ The metal tongues inside the connector

have a brown discoloration or are burned

off.

The Electronic Solar Switch can no longer reliably

disconnect the DC side.

1. Replace the Electronic Solar Switch handle

before attaching it again (order number see

section 12 "Accessories" (page46).

2. Commission the Sunny Boy.

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PV Powered 2500 Installationsanleitung Seite 35