3. ARC Detect. Manually begin an arc-fault test. The inverter will
cease power production and test ARC.
Arcing check and protection is mainly divided into two parts, the
Arcing check board is responsible for whether there is Arcing in line,
and transfer an Arc protection signal to the DSP in the dominating
control board. The control board DSP is responsible for
disconnecting the inverter from the grid after receiving the Arc
protection signal to ensure safety. The Arc board failure will cause
‘arc board err’ shown on the LCD and it will not connect to the grid
until the arc board is OK. If there is an Arc fault, the LCD displays the
fault which can only be cleared manually.
4. ARC Clear. Mannually clear the ARC fault. Move the cursor to this
menu, and press ENT. The operation result will appear on the LCD,
ie. “Succeed” or “Failed”. Complete this action after checking the
PV system for potential arcs and taking corrective action.
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