Customer Solution Portal

Submit a ticket My Tickets
Login  Sign up

Error Code - 199 (v3.18xx) or 18xC7 (v3.19xx)

CPU v3.18xx and below - Error Code - 199

CPU v3.19xx and above - Error Code - 18xC7

Error Message: RSD Error

Solutions: Rapid Shutdown hardware error. Contact SolarEdge support.


1)Turn the toggle switch off, and verify that the VDC drops below 30V. If it does not, check the strings.

2) Turn OFF Inverter and open up Top Cabinet cover and confirm if there is any physical damage visible in the Inverter. If not, move to the next step.

3) Pair the optimizers.

4) Update the FW using an SD card.
Update Video Tutorial :


Did you find it helpful? Yes No

Send feedback
Sorry we couldn't be helpful. Help us improve this article with your feedback.