SMA SUNNY BOY 3600TL - Checking the Electronic Solar Switch for Wear

10 Maintenance and Cleaning SMA Solar Technology AG
70 SB30-50TL-21-IA-en-21 Installation Manual
10.3 Checking the Electronic Solar Switch for Wear
Check the ESS for wear before plugging it in.
Result Measure
☑The metal tongues inside the plug
are not damaged or discoloured.
1. Insert the handle of the ESS securely into the
socket at the bottom of the enclosure.
2. Restart the inverter (see Section7
"Commissioning", page57).
☑The metal tongues inside the plug
have a brown discolouration or are
burned out.
The ESS can no longer safely disconnect the DC side.
1. Replace the ESS handle before attaching it
again. Order the new ESS handle through the
SMA Service Line (see Section16 "Contact",
page114).
2. After replacing the ESS, restart the inverter
(see Section7 "Commissioning", page57).