H20-681-ENU 무료 덤프문제 온라인 액세스

When the Huawei SUN2000 inverter is installed, the DC and AC voltages are normal but cannot be connected to the grid. The alarm indicator is off. The following statement which is correct? (Multiple selection)

• A.Export the log and request technical support from the manufacturer.
• B.Check if the grid standard code parameter setting is correct
• C.Log in to the inverter through SUN2000APP to check whether the AC and DC running data is normal.
• D.The alarm indicator is off, indicating that the inverter is not faulty.

In eLTE wireless transmission system, the protection level of the handheld terminal EP820 is ___.

• A.IP67
• B.IP66
• C.IP65
• D.IP56

The inverter deleted by the NetEco1000S system is automatically restored again, and you can try to delete it several times.

• A.True
• B.False

Huawei PID module alarm ID: 1921 (grounding abnormal), the possible reason is (). (Multiple Choice)

• A.The box corresponding to the PID module is changed to N-line grounding.
• B.PID module hardware failure
• C.Poor contact of the PID module output ground
• D.PID module output ground is not connected

Using the USB flash drive, you can perform ( ) to SmartLogger2000. (Multiple Choice)

• A.Full file import
• B.Full file export
• C.Upgrade the application
• D.Data export