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Touching the power grid or the contact points and terminals on the inverter con-
nected to the power grid may lead to electric shock!
• The power grid side may generate voltage. Always use a standard voltmeter to
ensure that there is no voltage before touching.
To prevent misuse or accidents caused by unrelated personnel, post prominent
warning signs or demarcate safety warning areas around the product.
To avoid the risk of electric shock, do not perform any other maintenance opera-
tions beyond those described in this manual. If necessary, contact your distributor
first. If the problem persists, contact SUNGROW. Otherwise, the losses caused is
not covered by the warranty.
• If the paint on the inverter enclosure falls or rusts, repair it in time. Otherwise,
the inverter performance may be affected.
• Do not use cleaning agents to clean the inverter. Otherwise, the inverter may be
damaged, and the loss caused is not covered by the warranty.
• As the inverter contains no parts that can be maintained, never open the enclo-
sure of the inverter or replace any internal components without authorization.
Otherwise, the loss caused is not covered by the warranty.
• Do not open the maintenance door in rainy or snowy weather. If it is inevitable,
take proper protective measures to avoid the ingress of rainwater and snow into
the maintenance compartment; otherwise, the product's operation may be
affected.
• Before closing the maintenance door, check whether there is any object left in-
side the maintenance compartment, such as screws, tools, etc.
• It is recommended for users to use cable sheathing to protect the AC cable. If
the cable sheathing is used, make sure it is positioned inside the maintenance
compartment.
1 Safety Instructions User Manual
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