SMA Solar Technology AG Troubleshooting
Technical Description SI5048-TB-TEN110340 205
20.8.4 Category GEN
20.8.5 Category GRD
W342 1 Grid/generator disconnection due to voltage increase protection on
slave 3
W343 1 Disconnection from the external source, because the relation of the
external voltage to the battery voltage is too high.
W344 1 Disconnection from the slave 1 external source, because the relation of
the external voltage to the battery voltage is too high.
W345 1 Disconnection from the slave 2 external source, because the relation of
the external voltage to the battery voltage is too high.
W346 1 Disconnection from the slave 3 external source, because the relation of
the external voltage to the battery voltage is too high.
W347 1 Disconnection from external source due to excessive load
W348 1 Disconnection from external source due to excessive load slave 1
W349 1 Disconnection from external source due to excessive load slave 2
W350 1 Disconnection from external source due to excessive load slave 3
W351 1 Disconnection from external source due to external short circuit
W352 1 Disconnection from external source due to external short circuit slave 1
W353 1 Disconnection from external source due to external short circuit slave 2
W354 1 Disconnection from external source due to external short circuit slave 3
Display no. Level Description
W401 1 Reverse power protection (generator)
W402 1 FailLock generator state
Display no. Level Description
W501 1 Grid reverse current prohibited (quick grid disconnection)
W502 1 Grid reverse current prohibited (quick grid disconnection) on slave 1
W503 1 Grid reverse current prohibited (quick grid disconnection) on slave 2
W504 1 Grid reverse current prohibited (quick grid disconnection) on slave 3
Display no. Level Description
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