SMA SB 1200 Installation - Manual (Page 50)

Maintenance and Cleaning SMA Solar Technology AG
50 SB12-17-IA-en-52 Installation Guide
8 Maintenance and Cleaning
Check for proper inverter operation at regular intervals. Impurities such as dust or pollen can cause
heat accumulation that can lead to yield losses. Also check the inverters and the cables for visible
external damage. Undertake repairs if necessary.
8.1 Checking the Electronic Solar Switch for Wear
Check the Electronic Solar Switch for wear before plugging it in. Depending on the shape of the
Electronic Solar Switch, you can estimate the wear on either the metal tongues (shape A) or on the
plastic (shape B).
Result Action
☑ The metal tongues in the Electronic Solar
Switch are undamaged and not discolored
(A).
or
☑ The plastic in the Electronic Solar Switch is
undamaged (B).
1. Securely attach the Electronic Solar Switch
handle.
2. Commission the inverter as described in
section 6 ”Commissioning” (page 38).