User Manual 1 Safety Instructions
4
Before any operation in the area that may be affected by and arc flash,
personal protective equipment (PPE) that meets the requirement must be
worn. A PPE category 2 is recommended.
Maintenance and Service
There is a risk of inverter damage or personal injury due to incorrect service
work!
Before any operation, you should perform the following steps:
First disconnect the grid side switch and then disconnect he DC switch;
Wait at least 10 minutes until the inner capacitors are discharged
completely;
V
erify, using proper testing device to make sure there is no voltage or
Keep unqualified persons away!
A temporary warning sign and barrier must be posted to keep unqualified
persons away during electrical connection and maintenance.
Restart the inverter only when the fault that may impair the inverter
safety functions is removed.
Inverter contains no owner serviceable parts inside. Please contact local
authorized personnel if any service work is required.
o not replace the inverter internal components without permission.
Damage to the inverter may occur and it may void any or all warranty rights
from Sungrow.
There is a risk of inverter damage due to electrostatic discharge!
T
he printed circuit boards contain components sensitive to electrostatic
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