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• Before closing the AC circuit breaker between the inverter and the power grid,
use a multimeter that is set to the AC gear to ensure that the AC voltage is with-
in the specified range. Otherwise, the inverter may be damaged.
• If the DC side is powered up while the AC side is not, the inverter indicator may
turn red, and the inverter will report a fault named “Grid Power Outage” (the
fault information can be viewed on the iSolarCloud App, see “Records” for de-
tails). The fault is automatically cleared when the AC circuit breaker between
the inverter and the grid is closed.
6.3 App Preparation
step 1 Install the iSolarCloud App with latest version. Refer to "7.2 Installing App".
step 2 Register an account. Refer to "7.3 Account Registration". If you have got the account and
password from the distributor/installer or SUNGROW, skip this step.
step 3 Download the firmware package to the mobile device in advance. Refer to “Firmware Upa-
date”. This is to avoid download failure due to poor on-site network signal.
- - End
6.4 Plant Creation
Prerequisites:
• The account and password for logging in to iSolarCloud App have been obtained from
the distributor/installer or SUNGROW.
• The communication device is normally connected to the inverter.
• System positioning is enabled and iSolarCloud App is allowed to access location
information.
step 1 Open the App, tap
in the upper right corner of the interface, and select the correct ac-
cess address.
User Manual 6 Commissioning
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