Troubleshooting SMA Solar Technology AG
204 SI5048-TB-TEN110340 Technical Description
W321 1 Grid/generator disconnection due to excessive external voltage on
slave 2
W322 1 Grid/generator disconnection due to excessive external voltage on
slave 3
W323 1 Grid/generator disconnection due to insufficient external frequency
W324 1 Grid/generator disconnection due to insufficient external frequency on
slave 1
W325 1 Grid/generator disconnection due to insufficient external frequency on
slave 2
W326 1 Grid/generator disconnection due to insufficient external frequency on
slave 3
W327 1 Grid/generator disconnection due to excessive external frequency
W328 1 Grid/generator disconnection due to excessive external frequency on
slave 1
W329 1 Grid/generator disconnection due to excessive external frequency on
slave 2
W330 1 Grid/generator disconnection due to excessive external frequency on
slave 3
W331 1 Grid/generator disconnection due to anti-islanding
W332 1 Grid/generator disconnection due to violation of anti-islanding on
slave 1
W333 1 Grid/generator disconnection due to violation of anti-islanding on
slave 2
W334 1 Grid/generator disconnection due to violation of anti-islanding on
slave 3
W335 1 Disconnection from grid/generator due to violation of voltage limits
(redundant measurement)
W336 1 Disconnection from grid/generator due to violation of voltage limits
(redundant measurement), slave 1
W337 1 Disconnection from grid/generator due to violation of voltage limits
(redundant measurement), slave 2
W338 1 Disconnection from grid/generator due to violation of voltage limits
(redundant measurement), slave 3
W339 1 Grid/generator disconnection due to voltage increase protection
W340 1 Grid/generator disconnection due to voltage increase protection on
slave 1
W341 1 Grid/generator disconnection due to voltage increase protection on
slave 2
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