Removing The Inverter; Disposing Of The Inverter; Troubleshooting - Goodwe HT Series User Manual

09 Maintenance

9.2 Removing the Inverter

• Make sure that the inverter is powered off.
• 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 Handle or hoist the inverter to take it down from the wall or the bracket.
Step 3 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.
No. Fault
2 Utility Loss
WARNING
Cause
1. Utility grid power
failure.
2. The AC circuit or
the AC breaker is
disconnected.
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User Manual V1.0-2022-05-04
Solutions
1. Check whether other electrical devices
under the same grid connection point is
working normally and whether the main
supply is normal.
2. Make sure that the upstream switches of
the inverter are connected.
3. Make sure that the phase sequence of
the AC cables are connected correctly,
and the neutral wire and PE cable are
connected properly and firmly.