Replacing An Optimizer (On The Fusionsolar App) - Huawei SUN2000 Series User Manual

SUN2000 Smart PV Optimizer
User Manual

5.5.1 Replacing an Optimizer (on the FusionSolar App)

Prerequisites
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Procedure
Step 1 Wear insulated gloves.
Step 2 Power off the inverter.
Step 3 Disconnect the input terminals of the optimizer.
Step 4 Remove the old optimizer.
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2.
Step 5 Install a new optimizer.
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2.
Step 6 Power on the 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.
Step 7 Choose Devices > Connected devices > Optimizer, tap Optimizer No., select the
faulty optimizer, tap Device Replacement, and replace the optimizer as prompted.
Issue 04 (2023-04-21)
Use dedicated insulation tools, and wear insulated shoes and insulated gloves
before performing operations.
A new Smart PV Optimizer is available.
Record the cable connection positions on the optimizer and disconnect the
cables.
Loosen the bolt that secures the optimizer and remove the optimizer.
Secure the new optimizer to the corresponding bolt and tighten the bolt.
Connect the cables to the new optimizer based on the recorded information.
NO TE
If multiple optimizers need to be replaced, record the optimizer numbers.
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