10
4. Choose Devices > Connected devices > Optimizer, tap Optimizer No., select the faulty
optimizer, tap Device Replacement, and replace the optimizer as prompted.
If
N
optimizers need to be replaced, perform the preceding procedure for
N
times.
After the optimizer is replaced, the new optimizer automatically inherits the energy yield,
physical layout, and logical layout of the faulty optimizer.
6
Replacing an Optimizer
1. Power off the solar inverter and remove the faulty optimizer.
2. Install a new optimizer and correctly connect its cables.
3. Power on the solar inverter. Log in to the FusionSolar app and tap the plant name on the
Home screen to access the plant screen. Choose Devices > Inverter, select the inverter
corresponding to the faulty optimizer, tap Optimizer Search, and perform operations as
prompted to search for optimizers.
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