SMA SB 1200 Installation - Manual (Page 51)

SMA Solar Technology AG Maintenance and Cleaning
Installation Guide SB12-17-IA-en-52 51
☑ The metal tongues in the Electronic Solar
Switch have a brown discoloration or are
burned through (A).
or
☑ The plastic in the Electronic Solar Switch
shows thermal deformation (B).
The Electronic Solar Switch can no longer reliably
disconnect the DC side.
1. Replace the Electronic Solar Switch handle
before attaching it again (for the order
number see section 12 ”Accessories”
(page 69).
2. Commission the inverter as described in
section 6 ”Commissioning” (page 38).
Result Action