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User Manual V1.0-2022-01-17

09 Maintenance

9 Maintenance

9.1 Power O󽗈 the Inverter

DANGER

• Power o󽗈 the inverter before operations and maintenance. Otherwise, the inverter may be

damaged or electric shocks may occur.

• Delayed discharge. Wait until the components are discharged after power o󽗈.

Step 1 (optional) Send shutdown command to the inverter,

Step 2 Turn o󽗈 the AC switch between the inverter and the utility grid.

Step 3 Turn o󽗈 the DC switch of the inverter.

Step 4 (optional) Turn o󽗈 the DC switch between the inverter and the PV string.

9.2 Removing the Inverter

WARNING

• Make sure that the inverter is powered o󽗈.

• Wear proper PPE before any operations.

Step 1 Disconnect all the cables, including DC cables, AC cables, communication cables, the

communication module, and PE cables.

Step 2 Remove the inverter from the mounting plate.

Step 3 Remove the mounting plate.

Step 4 Store the inverter properly. If the inverter needs to be used later, ensure that the storage

conditions meet the requirements.

9.3 Disposing of the Inverter

If the inverter cannot work any more, dispose of it according to the local disposal requirements

for electrical equipment waste. Do not dispose of it as household waste.

9.4 Troubleshooting

Perform troubleshooting according to the following methods. Contact the after-sales service if

these methods do not work.

Collect the information below before contacting the after-sales service, so tha the problems can

be solved quickly.

1. Inverter information like serial number, software version, installation date, fault time, fault

frequency, etc.

2. Installation environment, including weather conditions, whether the PV modules are

sheltered or shadowed, etc. It is recommended to provide some photos and videos to assist

in analyzing the problem.

3. Utility grid situation.

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