SMA SUNNY BOY 1300TL - Page 45

SMA Solar Technology AG Maintenance and Cleaning
Installation Guide SB13_21TL-IA-IEN121060 45
☑ 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 supply.
1. Replace the Electronic Solar Switch handle
before attaching it again (for the order
number see section 12"Accessories"
(page71).
2. Re-commission the inverter as described in
section 6"Commissioning" (page37).
Result Measure
A
B